Sussex County Council

*Sussex County Council

August 18, 2009A Regional Planning Report to Assess a Joint Sussex County/City of Rehoboth Land Application Project

*Design CriteriaPlanning Period: Year 2009 2030West Rehoboth Expansion Flows: 4.4 million gallons per day (mgd) (1.)Inland Bays Service Area Flows: 2.9 mgdRehoboth Beach Flows: 2.5 mgd (2.)

Total Treatment and Disposal Capacity Required: 9.8 mgd

Note: (1.) All flows are maximum month average daily flows.(2.) Rehoboth Beach Flows include Dewey Beach, Henlopen Acres & North Shores.

*North Coastal Planning Area Treatment and Disposal AlternativesNorthern West RehobothGoslee Creek Planning AreaAngola Neck Planning AreaInland Bays Regional Wastewater FacilityExp. Area 1Exp. Area 2West Rehoboth Expansion Dewey Beach SSDLong Neck SSD SSD Wolfe Neck Regional Wastewater Treatment Facility (WNRWF)Oak OrchardWolfe Neck Regional Wastewater FacilityHerring Creek Planning AreaRehoboth BeachDewey BeachHenlopen Acres/North Shores Inland Bays Regional Wastewater Treatment Facility (IBRWF) City of Rehoboth Beach Wastewater Treatment Plant (RBWWTP)Rehoboth Beach WWTP3 miles13 miles15 miles3.5 miles

*Alternative #1A- Raw Wastewater to WNRWF with Treatment at the IBRWFWolfe Neck Service AreaCity of Rehoboth4.4 MGD2.5 MGD(Raw WW)Inland Bays Service Area2.9 MGD4.6 MGD (Excess)Includes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachNorth ShoresIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSDNote: All flow rates refer to year 2030 Max Month treatment and disposal requirements.

*Alternative #1B- Raw Wastewater to WNRWF with Treatment at a Private ProviderWolfe Neck Service AreaCity of Rehoboth4.4 MGD2.5 MGD(Raw WW)Inland Bays Service Area2.9 MGDIncludes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachNorth ShoresIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSD4.6 MGD (Excess)Note: All flow rates refer to year 2030 Max Month treatment and disposal requirements.

*Alternative #2A- Treated Effluent to WNRWF with Treatment at the IBRWFWolfe Neck Service AreaCity of Rehoboth4.4 MGD2.5 MGD(Raw WW)Inland Bays Service Area2.9 MGD3.6 MGD (Excess)Includes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachNorth ShoresIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSDWNRWFCapacity Available= 3.1 MGDStorage Available for Max Month= 0.2 MGDNote: All flow rates refer to year 2030 Max Month treatment and disposal requirements.

*Alternative #2B- Treated Effluent to WNRWF with Treatment at a Private Service ProviderWolfe Neck Service AreaCity of Rehoboth4.4 MGD2.5 MGD(Raw WW)Inland Bays Service Area2.9 MGDIncludes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachNorth ShoresIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSDWNRWFCapacity Available= 3.1 MGDStorage Available for Max Month= 0.2 MGD3.6 MGD (Excess)Note: All flow rates refer to year 2030 Max Month treatment and disposal requirements.

*Alternative #3- Separate Treatment and DisposalWolfe Neck Service AreaCity of Rehoboth4.4 MGDInland Bays Service Area2.9 MGDIncludes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachNorth ShoresIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSDWNRWFCapacity Available= 2.3 MGD

2.5 MGD(Treated WW)2.1 MGD (Excess)Ocean OutfallNote: All flow rates refer to year 2030 Max Month treatment and disposal requirements.

*Summary of Costs

County Costs

SUMMARY OF TOTAL COSTS AND REHOBETH USER COSTSDRAFT

7/9/09

Dewey Beach User RatesHenlopen Acres User RatesCity of Rehoboth Beach User Rates

AlternativeDescriptionExisting RateNew RateExisting RateNew RateExisting RateNew Rate

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$341$642$588$865$325$968

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$341$1,082$588$1,314$325$1,370

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$341$568$588$798$325$680

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Presentation


7/9/09

AlternativeDescriptionTotal Capital CostSussex County Capital CostCity of Rehoboth Beach Capital CostCity of Rehoboth Beach Annual Capital CostsCity of Rehoboth Beach Annual O&M Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112 M$44 M$68 M$2.9 M$1.5 M

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$99 M$50 M$49 M$2.1 M$3.3 M

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$99 M$49 M$50 M$2.2 M$1.5 M

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$99 M$67 M$32 M$1.4 M$3.8 M

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99 M$64 M$35 M$1.5 M$1.1 m

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rounded


7/9/09

Annual Costs

AlternativeDescrptionTotal CostCounty CostRehoboth CostCapital CostsOperation and Maintenance Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112,000,000$44,000,000$68,000,000$1,200$1,000

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$99,000,000$50,000,000$49,000,000$1,400$1,300

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$99,000,000$49,000,000$50,000,000$1,000$900

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$99,000,000$67,000,000$32,000,000$1,400$1,300

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99,000,000$64,000,000$35,000,000$700$600

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$92,000,000$75,000,000$17,000,000$500$400

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User Cost Summary


7/9/09

Rehoboth User Rates

AlternativeDescrptionTotal CostCounty CostRehoboth CostSRF 4.4% for 20 years (from S&W March 2009 Report)1/3 SRF @ 4.4% for 20 years & 2/3 RD @ 5% for 40 yearsAnnual Capital CostsAnnual O & M Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112,324,447$44,075,056$68,249,391$1,156$1,0362,929,4201,482,530

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$98,924,872$49,793,592$49,131,280$1,421$1,3352,108,8273,313,888

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$98,722,310$48,603,086$50,119,224$968$8792,151,2321,541,103

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$98,832,240$66,654,341$32,177,899$1,370$1,3131,381,1493,846,393

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99,429,900$64,065,500$35,364,400$691$6291,517,9211,118,703

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$91,622,990$74,951,675$16,671,315$459$429715,5711,034,223

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County Implementation Schedule

SUMMARY OF TIMING, COSTS AND EDUSDRAFT

7/9/09

Overall Phase 1

AlternativeDescrptionTotal County CostCost for Overall Phase 1Improvements RequiredYearIBRWF Treatment Capacity (MGD)WNRWF Treatment Capacity (MGD)Total Treatment Capacity (MGD)Allocation to Rehoboth Beach (2.)County Treatment Capacity (MGD)County Capacity (EDUs) (1.)Existing County EDUS (3.)Increased EDU Capacity (1.)

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$44,075,056$18,775,057WNPS, FM and IBRWF through Phase 320125.202.307.502.505.0033,33325,3817,952

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$48,603,086$34,303,086WNPS, FM and IBRWF through Phase 320125.203.108.302.505.8038,66725,38113,286

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$64,065,500$43,518,217WNPS, FM and IBRWF through Phase 220123.702.306.000.006.0040,00025,38114,619

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$74,951,675$56,886,812WNPS, WNRWF Upgrades, FM to Rehobeth, Ocean Outfall and IBRWF through Phase 120122.004.406.400.006.4042,66725,38117,286

Notes

(1.) Capacity/EDU150

(2.) Allocated Capacity based on year 2030 RBSTP flow of 2.50 MGD

(3.) Existing County EDUs in WRSSD, LNSSD, and OOSSD. Does not include existing EDUs in Angola and OOSSD Phase 1 Expansion.

Overall Phase 2

AlternativeDescrptionTotal County CostCost for Overall Phase 2Improvements RequiredYearIBRWF Treatment Capacity (MGD)WNRWF Treatment Capacity (MGD)Total Treatment Capacity (MGD)Allocation to Rehoboth Beach (2.)County Treatment Capacity (MGD)County Capacity (EDUs) (1.)Previous Upgrade CapacityIncreased EDU Capacity (1.)

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$44,075,056$25,300,000IBWRF Phase 420187.502.309.802.507.3048,66733,33315,333

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$48,603,086$14,300,000IBWRF Phase 420236.503.109.602.507.3048,66738,66710,000

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$64,065,500$15,773,400IBWRF Phase 320235.002.307.300.007.3048,66740,0008,667

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$74,951,675$15,063,421IBWRF Phase 220152.904.407.300.007.3048,66742,6676,000

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Capital Cost Summary

SUMMARY OF TOTAL CAPITAL COSTSDRAFTSUMMARY OF TOTAL CAPITAL COSTSDRAFT

ALTERNATIVES #1, #2 and Analysis of Private Wastewater Treatment Provider8/10/09ALTERNATIVES #3 & #48/10/09

Alternative #1A - Raw Wastewater Pumped to WNRWFAlternative #1B Private Wastewater Treatment ProviderAlternative #2A - Treated Effluent Pumped to WNRWFAlternative #2B Private Wastewater Treatment ProviderAlt. 3 - Rehoboth Ocean Outfall Alternative (County Uses Inland Bays)Alt. 4 - Rehoboth Ocean Outfall Alternative (County Uses Rehoboth Ocean Outfall)Ocean Outfall Costs

ItemDescriptionTableDesign CriteriaCapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostOption 3

ItemCosts

1RBSTP Pumping Station-3.4 MGD Max Month10.2 MGD Peak Hour$3,001,000-3.4 Max Month10.2 MGD Peak Hour$3,001,000N/A3.4 Max Month10.2 MGD Peak Hour$900,000N/A3.4 Max Month10.2 MGD Peak Hour$900,000X3.4 Max Month10.2 MGD Peak Hour$900,000X3.4 Max Month10.2 MGD Peak Hour$900,000Outfall$15,153,846

2Force Main to WNRWF (Option #1)1-13.4 MGD Max Month10.2 MGD Peak Hour$3,123,0001-13.4 Max Month10.2 MGD Peak Hour$3,123,0002-13.4 Max Month10.2 MGD Peak Hour$3,500,0002-13.4 Max Month10.2 MGD Peak Hour$3,500,0002-13-22.1 Max Month4.2 MGD Peak Hour$2,088,000Pump Station$900,000

2ARehoboth FM, Ocean Outfall & Treatment Improvements-----------------3.4 Max Month10.2 MGD Peak Hour$20,688,000-8.3 Max Month8.3 Max Month$26,088,000Forcemain$2,688,000

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,5712-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,5722-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,572RB Treatment Improvements$2,846,154

4WNRWF to IBRWF/ANSWERF P.S.1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,0001-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,0002-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,0002-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,0003-22.1 MGD Max Month3.2 MGD Peak Hour$2,000,000X2.1 MGD Max Month4.2 MGD Peak Hour$1,400,000Subtotal$21,588,000

5Force Main to IBRWF (Option #3)1-44.6 MGD Max Month6.9 MGD Peak Hour$13,027,250----1-43.6 MGD Max Month5.4 MGD Peak Hour$13,027,250----3-12.1 MGD Max Month3.2 MGD Peak Hour$11,142,2501-4N/AN/AContingency$6,476,400

6IBRWF Phase 1 Upgrades---$0---$0---$0---$0---$0---$0Project Costs$7,300,000

6AWNRWF Upgrades4.4 MGD Max Month4.4 MGD Max Month$21,000,000Total$35,364,400

7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,0001-62.9 MGD Max Month2.9 MGD Max Month$10,905,8821-63.7 MGD Max Month3.7 MGD Max Month$20,600,000-3.7 MGD Max Month3.7 MGD Max Month$20,600,0001-63.7 MGD Max Month3.7 MGD Max Month$20,600,0001-62.9 MGD Max Month2.9 MGD Max Month$10,905,882

8IBRWF Phase 3 Upgrades1-75.2 MGD Max Month5.2 MGD Max Month$12,700,0001-7N/AN/AN/A1-75.2 MGD Max Month5.2 MGD Max Month$12,700,0001-7---1-75.0 MGD Max Month5.0 MGD Max Month$12,700,0001-7---Option 4

9IBRWF Phase 4 Upgrades-7.5 MGD Max Month7.5 MGD Max Month$18,852,459N/AN/AN/A-6.5 MGD Max Month6.5 MGD Max Month$10,655,738------------Outfall$16,953,846

10A24" PVC Force Main to Cave Neck Road----1-84.6 MGD Max Month6.9 MGD Peak Hour$6,967,511---N/A1-83.6 MGD Max Month5.4 MGD Peak Hour$6,967,511--------Pump Station$900,000

10B24" PVC Force Main to ANSRWRF----1-94.6 MGD Max Month6.9 MGD Peak Hour$8,736,587---N/A1-9--$8,736,587--------Forcemain$6,288,000

11ANSRWRF Treatment Capacity-----4.6 MGD Max Month4.6 MGD Max Month$48,300,000---N/A-3.6 MGD Max Month3.6 MGD Max Month$37,800,000--------RB Treatment Improvements$2,846,154

12Land/Easements---$11,250,000---$500,000---$11,250,000---$500,000---$0---Subtotal$26,988,000

13A10% Contingency---$7,531,628---$3,724,655---$6,518,056---$4,500,167---$4,773,882---$3,669,045Contingency$8,096,400

13B30% Contingency Ocean Outfall Items Only-------------------$6,476,400---$8,096,400Project Costs$7,300,000

14Engineering and Administration---$18,226,540---$9,653,665---$15,773,695---$11,530,404---$18,852,795---$16,179,090Total$42,384,400

Total Project Cost$112,324,447$98,924,872$98,722,310$98,832,240$99,429,900$91,622,990

Notes:

Flow Split

Year 2030Max Month Flow (MGD)Notes

Sussex County

WNRWF4.4

IBRWF2.9

Henlopen/Dewey0.938% of flow from RBSTP

Subtotal8.2Sussex County Flow

City of Rehoboth1.662% of flow from RBSTP

Total9.8

% Flow Contributed by Sussex County84%

% Flow Contributed by City of Rehoboth16%

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Thor Young:This cost is for 3.6 mgd, need to revise for 2.1 mgd. Change Made for 2.1 (WFH)

Thor Young:this is for 3.6 mgd, change for 2.1 mgd. Change made for 2.1 mgd (3.2 mgd peak)

Thor Young:Cost is for 5.2 mgd, assume no real change for 5.0 mgd facility

Thor Young:Total Rehoboth Beach Capital Cost inc. engineering for PS and outfall. Modification made by WFH

whinz:4.9 (SC)+3.4 (RB)

whinz:9.8 MGD Sussex+10.2 MGD RB

whinz:Assumes 300/l.f. increase for going from 24" to 42". Based on recent bids

whinz:Cost similar to MPS#1

whinz:This is actually FM from WN to Rehoboth for Alt 4

whinz:Per updated section from Rehoboth Report


whinz:Updated per revised Rehoboth Chapter


whinz:Removed Land from Contingency Calculation to be consitent with #1A

whinz:Changed to original number presented at July progress meeting per MAI

whinz:Need to approximate land cost associated with .9 MGD of treatment at IBRWF

whinz:Reduced to account for only additional 0.9 MGD of capacity in Phase 2


whinz:Land cost not required per MAI

Alt #1A

Rehoboth Capital CostsDRAFT

Alternative #1A - RAW WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO IBWRF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty Costs ShareRehoboth Cost ShareRehoboth CostNotes2012 Implementation Year2017 Implementation Year

1RBSTP Pumping Station-3.4 MGD Max Month10.2 MGD Peak Hour$3,001,000$0100%$3,001,000All Rehoboth Cost$0

230" PVC Force Main to WNRWF (Option #1)1-13.4 MGD Max Month10.2 MGD Peak Hour$3,123,000$0100%$3,123,000All Rehoboth Cost$0

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,571$974,59036.2%$552,981WR vs Rehoboth Cost Split$974,590

4WNRWF to IBRWF Transfer Pumping Station1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,000$1,135,64554.3%$1,349,355WR vs Rehoboth Cost Split$1,135,645

524" PVC Force Main to IBRWF (Option #3)1-44.6 MGD Max Month6.9 MGD Peak Hour$13,027,250$5,953,45354.3%$7,073,797WR vs Rehoboth Cost Split$5,953,453

6IBRWF Phase 1 Upgrades---$0$00.0%$0First 2.5 MGD are Rehoboth Costs per DBB$0

7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,000$0100.0%$20,600,000First 2.5 MGD are Rehoboth Costs per DBB$0

8IBRWF Phase 3 Upgrades1-75.2 MGD Max Month5.2 MGD Max Month$12,700,000$5,926,66753.3%$6,773,333$5,926,667

9IBRWF Phase 4 Upgrades-7.5 MGD Max Month7.5 MGD Max Month$18,852,459$18,852,4590.0%$0$18,852,459

12Land/Easements---$11,250,000$0100.0%$11,250,000450 Ac Required to accommodate Rehoboth Flows$13,990,355$18,852,459

13A10% Contingency---$7,531,628$3,284,28156.4%$4,247,347Contingency is a Proportional Share (except land)$1,399,036$1,885,246

14Engineering/Administration---$18,226,540$7,947,96156.4%$10,278,579Administrative Costs Proportional Share (except land)$3,385,666$4,562,295

Total Project Cost$112,324,447$44,075,056$68,249,391Total$18,775,057$25,300,000

SUSSEX COUNTY COST$44,075,056

Flow Split

Flow SplitMax Month Flow (MGD)Notes

WNRWF4.4

IBRWF2.9

Subtotal7.3


City of Rehoboth/North Shores1.662% of flow from RBSTP

Total9.8

OCEAN OUTFALL OPTION

SPRAY IRRIGATION OPTIONSPRAY IRRIGATION OPTIONwith Better Financing Option

User Cost DeterminationSRF 4.4% for 20 years (from S&W March 2009 Report)1/3 SRF @ 4.4% for 20 years & 2/3 RD @ 5% for 40 years1/3 SRF @ 4.4% for 20 years & 2/3 RD @ 5% for 40 years

COSTS DESCRIPTIONRehoboth + DB, NS & HARehoboth OnlyRehoboth + DB, NS & HARehoboth OnlyRehoboth + DB, NS & HARehoboth Only

Annual Capital Cost$5,201,385$2,929,420$4,385,428$2,469,873$2,272,372$1,279,800

Plant Operations (From Rehoboth March 2009 Report)$0$0$0$0$1,590,000$895,488

Pump Station Maintenance$100,000$56,320$100,000$56,320$0$0

Collection System From Rehoboth March 2009 Report)$150,000$138,735$150,000$138,735$150,000$138,735

Sussex County Operations and Maintenance ($5.08/1000 gal)$2,286,000$1,287,475$2,286,000$1,287,475$150,000$84,480

Subtotal$4,411,950$3,952,403$2,398,503

Projected User Rate for City of Rehoboth$1,156$1,036$629

Annual Capital Costs$5,201,385$2,929,420

O&M Costs$2,536,000$1,482,530

$5,201,385

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At #1B


Alternative #1B- RAW WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO PRIVATE ANSWERF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty ShareRehoboth Cost ShareRehoboth CostNotes

$6,967,511FM to Cave neck

1RBSTP Pumping Station-3.4 Max Month10.2 MGD Peak Hour$3,001,000$0100%$3,001,000All Rehoboth Cost$8,736,587FM to ANSWERF

230" PVC Force Main to WNRWF (Option #1)1-13.4 Max Month10.2 MGD Peak Hour$3,123,000$0100%$3,123,000All Rehoboth Cost$15,704,098Subtotal

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,571$974,10336.2%$553,468WR vs Rehoboth Cost Split

4WNRWF to ANSWERF Transfer Pumping Station1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,000$1,134,45754.3%$1,350,543WR vs Rehoboth Cost Split

6IBRWF Phase 1 Upgrades---$0$00.0%$0First 2.5 MGD are Rehoboth Costs per DBB

7IBRWF Phase 2 Upgrades1-62.9 MGD Max Month2.9 MGD Max Month10,905,88210,905,8820.0%$0First 2.5 MGD are Rehoboth Costs per DBB

1024" PVC Force Main to ANSRWF1-84.6 MGD Max Month6.9 MGD Peak Hour$15,704,098$7,169,26254.3%$8,534,836

11ANSWRF Treatment Capacity1-94.6 MGD Max Month4.6 MGD Max Month$48,300,000$22,050,00054.3%$26,250,000

12Land/Easements---$500,000$228,26154.3%$271,739From Artesian Proposal

13AContingency---$3,724,655$2,041,19745.2%$1,683,459Contingency is a Proportional Share

14Engineering & Administration---$9,653,665$5,290,43045.2%$4,363,235Administrative Costs Proportional Share

Total Project Cost$98,924,872$49,793,592$49,131,280


Flow Split

Flow Split to ANSWERFMax Month Flow (MGD)Notes

WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1


Private OptionPrivate Optionwith Better Financing Option


COSTS DESCRIPTIONRehoboth + DB, NS & HARehoboth Only @ 56.32%Rehoboth + DB, NS & HARehoboth Only @ 56.32%Rehoboth + DB, NS & HARehoboth Only @ 56.32%


Pump Station O&M$100,000$56,320$100,000$56,320$2,272,372$1,279,800


Artesian Disposal @ 2 MGD Minimum ($6.84/1000 gal)$4,993,200$2,812,170$4,993,200$2,812,170$150,000$84,480Outfall O&M

Sussex County O&M ($1.21/1000 gal)$544,500$306,662$544,500$306,662$0$0

Subtotal$5,422,715$5,091,896$2,755,152



O&M Costs$5,787,700$3,313,888

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Alt #2A

Capital CostsDRAFT

Alternative #2A - Treated Effluent FROM Rehoboth Pumped to WNRWF with Excess to IBRWF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty ShareRehoboth Cost ShareRehoboth CostNotes2012 Implementation Year2023 Implementation Year

1RBSTP Pumping StationN/A3.4 Max Month10.2 MGD Peak Hour$900,000$0100%$900,000All Rehoboth Cost$0

230" PVC Force Main to WNRWF (Option #1)2-13.4 Max Month10.2 MGD Peak Hour$3,500,000$0100%$3,500,000All Rehoboth Cost$0

3WNRWF Headworks Upgrades1-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,571$1,527,5710.0%$0WR vs Rehoboth Cost Split$1,527,571

4WNRWF to IBRWF Transfer Pumping Station2-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,000$1,324,16741.7%$945,833WR vs Rehoboth Cost Split$1,324,167


6IBRWF Phase 1 Upgrades---$0$00.0%$0$0

7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,000$2,410,20088.3%$18,189,800First 1.5 MGD are Rehoboth Costs per DBB$2,410,200

8IBRWF Phase 3 Upgrades1-75.2 MGD Max Month5.2 MGD Max Month$12,700,000$12,700,0000.0%$0$12,700,000



13AContingency---$6,518,056$3,621,69044.4%$2,896,365Contingency is a Proportional Share (except land)$2,556,117$1,065,574




Flow Split

Flow SplitNotes

WNRWF4.4

IBRWF2.9

Subtotal7.3



Total9.8






Plant Operations (From Rehoboth March 2009 Report)$1,590,000$895,488$1,590,000$895,488$1,590,000$895,488


Sussex County Operations and Maintenance ($2.00/1000 gal)$900,000$506,880$900,000$506,880$150,000$84,480

Subtotal$3,692,335$3,354,864$2,398,503

Projected User Rate for City of Rehoboth$968$879$629


O&M Costs$2,640,000$1,541,103

&L&Z&F

Alt 2B


Alternative #2B - TREATED WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO PRIVATE ANSWERF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty CostsRehoboth Cost ShareRehoboth CostNotes

$6,967,511FM to Cave Neck

1RBSTP Pumping StationN/A3.4 Max Month10.2 MGD Peak Hour$900,000$0100%$900,000All Rehoboth Cost$8,736,587FM to ANSWERF

230" PVC Force Main to WNRWF (Option #1)2-13.4 Max Month10.2 MGD Peak Hour$3,500,000$0100%$3,500,000All Rehoboth Cost$15,704,098

3WNRWF Headworks Upgrades1-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,571$1,527,5710.0%$0WR vs Rehoboth Cost Split

4WNRWF to ANSWERF Transfer Pumping Station2-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,000$1,323,41041.7%$946,590WR vs Rehoboth Cost Split


7IBRWF Phase 2 Upgrades-3.7 MGD Max Month3.7 MGD Max Month$20,600,000$20,600,0000.0%$0First 2.5 MGD are Rehoboth Costs per DBB


11ANSWRF Treatment Capacity-3.6 MGD Max Month3.6 MGD Max Month$37,800,000$22,037,40041.7%$15,762,600


13AContingency @ 10%---$4,500,167$3,289,79726.9%$1,210,370Contingency is a Proportional Share




Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1






Treatment Plant O&M From Rehoboth March 2009 Report)$1,590,000$895,488$1,590,000$895,488$2,272,372$1,279,800



Sussex County O&M$0$0$0$0$0$0

Subtotal$5,227,542$5,010,877$2,755,152



O&M Costs$6,733,200$3,846,393

&L&Z&F

Alt 3


Alternative #3 - REHOBETH OUTFALL ALTERNATIVE WITH COUNTY CONTINUING TO PUMP TO IBWRF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty CostRehoboth Cost ShareRehoboth CostNotes2012 Implementation Year2023 Implementation Year


2ARehoboth FM, Ocean Outfall & Treatment Improvements-3.4 Max Month10.2 MGD Peak Hour$20,688,000$0100%$20,688,000All Rehoboth Cost$0

3WNRWF Headworks Upgrades2-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,572$1,296,5720.0%$0$1,296,572

4WNRWF to IBRWF/ANSWERF P.S.3-22.1 MGD Max Month3.2 MGD Peak Hour$2,000,000$2,000,0000.0%$0$2,000,000

5Force Main to IBRWF (Option #3)3-12.1 MGD Max Month3.2 MGD Peak Hour$11,142,250$11,142,2500.0%$0$11,142,250




12Land/Easements---$0$00.0%$0

13A10% Contingency---$4,773,882$4,773,882$35,038,822$12,700,000

13B30% Contingency Ocean Outfall Items Only$6,476,400$0100.0%$6,476,400$0$0

14Engineering & Administration---$18,852,795$11,552,79538.7%$7,300,000Reboboth E&A is from Rehoboth Report$8,479,395$3,073,400

Total Project Cost$99,429,900$64,065,500$35,364,400$43,518,217$15,773,400


Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1


Outfall Option Rehoboth OnlyOutfall Option Rehoboth Onlywith Better Financing Option





Pump Station Maintenance$0$0$0$0$0$0


Sussex County Operations and Maintenance ($2.00/1000 gal)$150,000$84,480$150,000$84,480$150,000$84,480Outfall O&M

Subtotal$2,636,624$2,398,503$2,398,503



O&M Costs$1,890,000$1,118,703

&L&Z&F

Alt 4


Alternative #4 - COMBINED REHOBOTH AND COUNTY OCEAN OUTFALL8/10/09


1RBSTP Pumping StationX3.4 Max Month10.2 MGD Peak Hour$900,000$0100%$900,000All Rehoboth Cost$0

2Force Main to WNRWF (Option #1)3-22.1 Max Month4.2 MGD Peak Hour$2,088,000$2,088,0000%$0All Rehoboth Cost$2,088,000

2ARehoboth FM, Ocean Outfall & Treatment Improvements-8.3 Max Month8.3 Max Month$26,088,000$15,401,34941.0%$10,686,651WR vs Rehoboth Cost Split$15,401,349


4WNRWF to IBRWF/ANSWERF P.S.X2.1 MGD Max Month4.2 MGD Peak Hour$1,400,000$1,400,0000.0%$0First 2.5 MGD are Rehoboth Costs per DBB$1,400,000


6AWNRWF Upgrades04.4 MGD Max Month4.4 MGD Max Month$21,000,000$21,000,0000.0%$0$21,000,000


12Land/Easements---$0$00.0%$0From Artesian Proposal

13A10% Contingency---$3,669,045$3,001,44218.2%$667,603Contingency Costs Proportional Share$41,185,922$10,905,882

13B30% Contingency Ocean Outfall Items Only$8,096,400$6,623,21518.2%$1,473,185Contingency Costs Proportional Share$5,236,586$1,386,629

14Engineering & Administration---$16,179,090$13,235,21418.2%$2,943,876Administrative Costs Proportional Share$10,464,304$2,770,910



Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1


Outfall Option Rehoboth and SussexOutfall Option Rehoboth and Sussexwith Better Financing Option



Annual Capital Cost$1,270,545$715,571$1,071,231$603,317$2,272,372$1,279,800



Collection System From Rehoboth March 2009 Report)$150,000$138,735$150,000$138,735$150,000$138,735Outfall O&M

Sussex County Operations and Maintenance ($2.00/1000 gal)$0$0$0$0$150,000$84,480

Subtotal$1,749,794$1,637,540$2,398,503


Annual Capital Costs$1,270,545$715,571

O&M Costs$1,740,000$1,034,223

&L&Z&F

Scratch

6.6

8.4666666667

*Preliminary User Rates

County Costs


7/9/09

Dewey Beach Estimated RatesHenlopen Acres Estimated RatesCity of Rehoboth Beach Estimated Rates

AlternativeDescriptionExisting RateNew RateExisting RateNew RateExisting RateNew Rate

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$350$745$588$1,398$325$968

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$350$1,182$588$1,691$325$1,374

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$350$565$588$1,096$325$680

&L&Z&F

Presentation


7/9/09

AlternativeDescriptionTotal Capital CostSussex County Capital CostCity of Rehoboth Capital CostCity of Rehoboth Annual Capital CostsCity of Rehoboth Annual O&M Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112 M$44 M$68 M$2.9 M$1.5 M

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$99 M$50 M$49 M$2.1 M$3.3 M

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$99 M$49 M$50 M$2.2 M$1.5 M

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$99 M$67 M$32 M$1.4 M$3.8 M

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99 M$64 M$35 M$1.5 M$1.9 M

&L&Z&F

rounded


7/9/09

Annual Costs

AlternativeDescrptionTotal CostCounty CostRehoboth CostCapital CostsOperation and Maintenance Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112,000,000$44,000,000$68,000,000$1,200$1,000

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$99,000,000$50,000,000$49,000,000$1,400$1,300

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$99,000,000$49,000,000$50,000,000$1,000$900

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$99,000,000$67,000,000$32,000,000$1,400$1,300

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99,000,000$64,000,000$35,000,000$700$600

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$92,000,000$75,000,000$17,000,000$500$400

&L&Z&F

User Cost Summary


7/9/09

Rehoboth User Rates

AlternativeDescrptionTotal CostCounty CostRehoboth CostSRF 4.4% for 20 years (from S&W March 2009 Report)1/3 SRF @ 4.4% for 20 years & 2/3 RD @ 5% for 40 yearsAnnual Capital CostsAnnual O & M Costs

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$112,324,447$44,075,056$68,249,391$1,156$1,0362,929,4201,482,530

#1BRaw Wastewater Pumped to WNRWF with Disposal at Private Service Provider$98,924,872$49,793,592$49,131,280$1,421$1,3352,108,8273,313,888

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$98,722,310$48,603,086$50,119,224$968$8792,151,2321,541,103

#2BTreated Effluent Pumped to WNRWF with Disposal at Private Service Provider$98,832,240$66,654,341$32,177,899$1,370$1,3131,381,1493,846,393

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$99,429,900$64,065,500$35,364,400$691$6291,517,9211,118,703

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$91,622,990$74,951,675$16,671,315$459$429715,5711,034,223

&L&Z&F

County Implementation Schedule

SUMMARY OF TIMING, COSTS AND EDUSDRAFT

7/9/09

Overall Phase 1

AlternativeDescrptionTotal County CostCost for Overall Phase 1Improvements RequiredYearIBRWF Treatment Capacity (MGD)WNRWF Treatment Capacity (MGD)Total Treatment Capacity (MGD)Allocation to Rehoboth Beach (2.)County Treatment Capacity (MGD)County Capacity (EDUs) (1.)Existing County EDUS (3.)Increased EDU Capacity (1.)

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$44,075,056$18,775,057WNPS, FM and IBRWF through Phase 320125.202.307.502.505.0033,33325,3817,952

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$48,603,086$34,303,086WNPS, FM and IBRWF through Phase 320125.203.108.302.505.8038,66725,38113,286

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$64,065,500$43,518,217WNPS, FM and IBRWF through Phase 220123.702.306.000.006.0040,00025,38114,619

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$74,951,675$56,886,812WNPS, WNRWF Upgrades, FM to Rehobeth, Ocean Outfall and IBRWF through Phase 120122.004.406.400.006.4042,66725,38117,286

Notes

(1.) Capacity/EDU150

(2.) Allocated Capacity based on year 2030 RBSTP flow of 2.50 MGD

(3.) Existing County EDUs in WRSSD, LNSSD, and OOSSD. Does not include existing EDUs in Angola and OOSSD Phase 1 Expansion.

Overall Phase 2

AlternativeDescrptionTotal County CostCost for Overall Phase 2Improvements RequiredYearIBRWF Treatment Capacity (MGD)WNRWF Treatment Capacity (MGD)Total Treatment Capacity (MGD)Allocation to Rehoboth Beach (2.)County Treatment Capacity (MGD)County Capacity (EDUs) (1.)Previous Upgrade CapacityIncreased EDU Capacity (1.)

#1ARaw Wastewater Pumped to WNRWF with Disposal at IBRWF$44,075,056$25,300,000IBWRF Phase 420187.502.309.802.507.3048,66733,33315,333

#2ATreated Effluent Pumped to WNRWF with Disposal at IBRWF$48,603,086$14,300,000IBWRF Phase 420236.503.109.602.507.3048,66738,66710,000

#3Rehoboth Pumps to Ocean Outfall Alternative with County Pumping to IBRWF$64,065,500$15,773,400IBWRF Phase 320235.002.307.300.007.3048,66740,0008,667

#4Rehoboth and County Pump to Common Outfall with County Continuing to use IBRWF for Southern Service Area$74,951,675$15,063,421IBWRF Phase 220152.904.407.300.007.3048,66742,6676,000

&L&Z&F

Capital Cost Summary

SUMMARY OF TOTAL CAPITAL COSTSDRAFTSUMMARY OF TOTAL CAPITAL COSTSDRAFT

ALTERNATIVES #1, #2 and Analysis of Private Wastewater Treatment Provider8/10/09ALTERNATIVES #3 & #48/10/09

Alternative #1A - Raw Wastewater Pumped to WNRWFAlternative #1B Private Wastewater Treatment ProviderAlternative #2A - Treated Effluent Pumped to WNRWFAlternative #2B Private Wastewater Treatment ProviderAlt. 3 - Rehoboth Ocean Outfall Alternative (County Uses Inland Bays)Alt. 4 - Rehoboth Ocean Outfall Alternative (County Uses Rehoboth Ocean Outfall)Ocean Outfall Costs

ItemDescriptionTableDesign CriteriaCapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostTable2030 Design Criteria2030 CapacityTotal CostOption 3

ItemCosts

1RBSTP Pumping Station-3.4 MGD Max Month10.2 MGD Peak Hour$3,001,000-3.4 Max Month10.2 MGD Peak Hour$3,001,000N/A3.4 Max Month10.2 MGD Peak Hour$900,000N/A3.4 Max Month10.2 MGD Peak Hour$900,000X3.4 Max Month10.2 MGD Peak Hour$900,000X3.4 Max Month10.2 MGD Peak Hour$900,000Outfall$15,153,846

2Force Main to WNRWF (Option #1)1-13.4 MGD Max Month10.2 MGD Peak Hour$3,123,0001-13.4 Max Month10.2 MGD Peak Hour$3,123,0002-13.4 Max Month10.2 MGD Peak Hour$3,500,0002-13.4 Max Month10.2 MGD Peak Hour$3,500,0002-13-22.1 Max Month4.2 MGD Peak Hour$2,088,000Pump Station$900,000

2ARehoboth FM, Ocean Outfall & Treatment Improvements-----------------3.4 Max Month10.2 MGD Peak Hour$20,688,000-8.3 Max Month8.3 Max Month$26,088,000Forcemain$2,688,000

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,5711-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,5712-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,5722-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,572RB Treatment Improvements$2,846,154

4WNRWF to IBRWF/ANSWERF P.S.1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,0001-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,0002-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,0002-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,0003-22.1 MGD Max Month3.2 MGD Peak Hour$2,000,000X2.1 MGD Max Month4.2 MGD Peak Hour$1,400,000Subtotal$21,588,000

5Force Main to IBRWF (Option #3)1-44.6 MGD Max Month6.9 MGD Peak Hour$13,027,250----1-43.6 MGD Max Month5.4 MGD Peak Hour$13,027,250----3-12.1 MGD Max Month3.2 MGD Peak Hour$11,142,2501-4N/AN/AContingency$6,476,400

6IBRWF Phase 1 Upgrades---$0---$0---$0---$0---$0---$0Project Costs$7,300,000

6AWNRWF Upgrades4.4 MGD Max Month4.4 MGD Max Month$21,000,000Total$35,364,400

7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,0001-62.9 MGD Max Month2.9 MGD Max Month$10,905,8821-63.7 MGD Max Month3.7 MGD Max Month$20,600,000-3.7 MGD Max Month3.7 MGD Max Month$20,600,0001-63.7 MGD Max Month3.7 MGD Max Month$20,600,0001-62.9 MGD Max Month2.9 MGD Max Month$10,905,882

8IBRWF Phase 3 Upgrades1-75.2 MGD Max Month5.2 MGD Max Month$12,700,0001-7N/AN/AN/A1-75.2 MGD Max Month5.2 MGD Max Month$12,700,0001-7---1-75.0 MGD Max Month5.0 MGD Max Month$12,700,0001-7---Option 4

9IBRWF Phase 4 Upgrades-7.5 MGD Max Month7.5 MGD Max Month$18,852,459N/AN/AN/A-6.5 MGD Max Month6.5 MGD Max Month$10,655,738------------Outfall$16,953,846

10A24" PVC Force Main to Cave Neck Road----1-84.6 MGD Max Month6.9 MGD Peak Hour$6,967,511---N/A1-83.6 MGD Max Month5.4 MGD Peak Hour$6,967,511--------Pump Station$900,000

10B24" PVC Force Main to ANSRWRF----1-94.6 MGD Max Month6.9 MGD Peak Hour$8,736,587---N/A1-9--$8,736,587--------Forcemain$6,288,000

11ANSRWRF Treatment Capacity-----4.6 MGD Max Month4.6 MGD Max Month$48,300,000---N/A-3.6 MGD Max Month3.6 MGD Max Month$37,800,000--------RB Treatment Improvements$2,846,154

12Land/Easements---$11,250,000---$500,000---$11,250,000---$500,000---$0---Subtotal$26,988,000

13A10% Contingency---$7,531,628---$3,724,655---$6,518,056---$4,500,167---$4,773,882---$3,669,045Contingency$8,096,400

13B30% Contingency Ocean Outfall Items Only-------------------$6,476,400---$8,096,400Project Costs$7,300,000

14Engineering and Administration---$18,226,540---$9,653,665---$15,773,695---$11,530,404---$18,852,795---$16,179,090Total$42,384,400

Total Project Cost$112,324,447$98,924,872$98,722,310$98,832,240$99,429,900$91,622,990

Notes:

Flow Split

Year 2030Max Month Flow (MGD)Notes

Sussex County

WNRWF4.4

IBRWF2.9


Subtotal8.2Sussex County Flow

City of Rehoboth1.662% of flow from RBSTP

Total9.8

% Flow Contributed by Sussex County84%

% Flow Contributed by City of Rehoboth16%

&L&Z&F

Thor Young:This cost is for 3.6 mgd, need to revise for 2.1 mgd. Change Made for 2.1 (WFH)

Thor Young:this is for 3.6 mgd, change for 2.1 mgd. Change made for 2.1 mgd (3.2 mgd peak)

Thor Young:Cost is for 5.2 mgd, assume no real change for 5.0 mgd facility

Thor Young:Total Rehoboth Beach Capital Cost inc. engineering for PS and outfall. Modification made by WFH

whinz:4.9 (SC)+3.4 (RB)

whinz:9.8 MGD Sussex+10.2 MGD RB

whinz:Assumes 300/l.f. increase for going from 24" to 42". Based on recent bids

whinz:Cost similar to MPS#1

whinz:This is actually FM from WN to Rehoboth for Alt 4





whinz:Removed Land from Contingency Calculation to be consitent with #1A


whinz:Need to approximate land cost associated with .9 MGD of treatment at IBRWF

whinz:Reduced to account for only additional 0.9 MGD of capacity in Phase 2


whinz:Land cost not required per MAI

Alt #1A


Alternative #1A - RAW WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO IBWRF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty Costs ShareRehoboth Cost ShareRehoboth CostNotes2012 Implementation Year2017 Implementation Year

1RBSTP Pumping Station-3.4 MGD Max Month10.2 MGD Peak Hour$3,001,000$0100%$3,001,000All Rehoboth Cost$0

230" PVC Force Main to WNRWF (Option #1)1-13.4 MGD Max Month10.2 MGD Peak Hour$3,123,000$0100%$3,123,000All Rehoboth Cost$0

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,571$974,59036.2%$552,981WR vs Rehoboth Cost Split$974,590

4WNRWF to IBRWF Transfer Pumping Station1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,000$1,135,64554.3%$1,349,355WR vs Rehoboth Cost Split$1,135,645



7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,000$0100.0%$20,600,000First 2.5 MGD are Rehoboth Costs per DBB$0

8IBRWF Phase 3 Upgrades1-75.2 MGD Max Month5.2 MGD Max Month$12,700,000$5,926,66753.3%$6,773,333$5,926,667



13A10% Contingency---$7,531,628$3,284,28156.4%$4,247,347Contingency is a Proportional Share (except land)$1,399,036$1,885,246




Flow Split

Flow SplitMax Month Flow (MGD)Notes

WNRWF4.4

IBRWF2.9

Subtotal7.3



Total9.8






Plant Operations (From Rehoboth March 2009 Report)$0$0$0$0$1,590,000$895,488

Pump Station Maintenance$100,000$56,320$100,000$56,320$0$0


Sussex County Operations and Maintenance ($5.08/1000 gal)$2,286,000$1,287,475$2,286,000$1,287,475$150,000$84,480

Subtotal$4,411,950$3,952,403$2,398,503



O&M Costs$2,536,000$1,482,530

$5,201,385

&L&8&Z&F&R&8&D

At #1B


Alternative #1B- RAW WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO PRIVATE ANSWERF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty ShareRehoboth Cost ShareRehoboth CostNotes

$6,967,511FM to Cave neck

1RBSTP Pumping Station-3.4 Max Month10.2 MGD Peak Hour$3,001,000$0100%$3,001,000All Rehoboth Cost$8,736,587FM to ANSWERF

230" PVC Force Main to WNRWF (Option #1)1-13.4 Max Month10.2 MGD Peak Hour$3,123,000$0100%$3,123,000All Rehoboth Cost$15,704,098Subtotal

3WNRWF Headworks Upgrades1-210 MGD Max Month27.5 MGD Peak Hour$1,527,571$974,10336.2%$553,468WR vs Rehoboth Cost Split

4WNRWF to ANSWERF Transfer Pumping Station1-34.6 MGD Max Month6.9 MGD Peak Hour$2,485,000$1,134,45754.3%$1,350,543WR vs Rehoboth Cost Split


7IBRWF Phase 2 Upgrades1-62.9 MGD Max Month2.9 MGD Max Month10,905,88210,905,8820.0%$0First 2.5 MGD are Rehoboth Costs per DBB


11ANSWRF Treatment Capacity1-94.6 MGD Max Month4.6 MGD Max Month$48,300,000$22,050,00054.3%$26,250,000


13AContingency---$3,724,655$2,041,19745.2%$1,683,459Contingency is a Proportional Share




Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1






Pump Station O&M$100,000$56,320$100,000$56,320$2,272,372$1,279,800



Sussex County O&M ($1.21/1000 gal)$544,500$306,662$544,500$306,662$0$0

Subtotal$5,422,715$5,091,896$2,755,152



O&M Costs$5,787,700$3,313,888

&L&Z&F

Alt #2A

Capital CostsDRAFT

Alternative #2A - Treated Effluent FROM Rehoboth Pumped to WNRWF with Excess to IBRWF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty ShareRehoboth Cost ShareRehoboth CostNotes2012 Implementation Year2023 Implementation Year


230" PVC Force Main to WNRWF (Option #1)2-13.4 Max Month10.2 MGD Peak Hour$3,500,000$0100%$3,500,000All Rehoboth Cost$0


4WNRWF to IBRWF Transfer Pumping Station2-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,000$1,324,16741.7%$945,833WR vs Rehoboth Cost Split$1,324,167



7IBRWF Phase 2 Upgrades1-63.7 MGD Max Month3.7 MGD Max Month$20,600,000$2,410,20088.3%$18,189,800First 1.5 MGD are Rehoboth Costs per DBB$2,410,200




13AContingency---$6,518,056$3,621,69044.4%$2,896,365Contingency is a Proportional Share (except land)$2,556,117$1,065,574




Flow Split

Flow SplitNotes

WNRWF4.4

IBRWF2.9

Subtotal7.3



Total9.8








Sussex County Operations and Maintenance ($2.00/1000 gal)$900,000$506,880$900,000$506,880$150,000$84,480

Subtotal$3,692,335$3,354,864$2,398,503



O&M Costs$2,640,000$1,541,103

&L&Z&F

Alt 2B


Alternative #2B - TREATED WASTEWATER FROM REHOBOTH WITH EXCESS PUMPED TO PRIVATE ANSWERF8/10/09

Item No.DescriptionTable #2030 Design Criteria2030 CapacityTotal CostCounty CostsRehoboth Cost ShareRehoboth CostNotes

$6,967,511FM to Cave Neck

1RBSTP Pumping StationN/A3.4 Max Month10.2 MGD Peak Hour$900,000$0100%$900,000All Rehoboth Cost$8,736,587FM to ANSWERF

230" PVC Force Main to WNRWF (Option #1)2-13.4 Max Month10.2 MGD Peak Hour$3,500,000$0100%$3,500,000All Rehoboth Cost$15,704,098

3WNRWF Headworks Upgrades1-210.0 MGD Max Month27.5 MGD Peak Hour$1,527,571$1,527,5710.0%$0WR vs Rehoboth Cost Split

4WNRWF to ANSWERF Transfer Pumping Station2-33.6 MGD Max Month5.4 MGD Peak Hour$2,270,000$1,323,41041.7%$946,590WR vs Rehoboth Cost Split


7IBRWF Phase 2 Upgrades-3.7 MGD Max Month3.7 MGD Max Month$20,600,000$20,600,0000.0%$0First 2.5 MGD are Rehoboth Costs per DBB


11ANSWRF Treatment Capacity-3.6 MGD Max Month3.6 MGD Max Month$37,800,000$22,037,40041.7%$15,762,600


13AContingency @ 10%---$4,500,167$3,289,79726.9%$1,210,370Contingency is a Proportional Share




Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1






Treatment Plant O&M From Rehoboth March 2009 Report)$1,590,000$895,488$1,590,000$895,488$2,272,372$1,279,800



Sussex County O&M$0$0$0$0$0$0

Subtotal$5,227,542$5,010,877$2,755,152



O&M Costs$6,733,200$3,846,393

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Alt 3


Alternative #3 - REHOBETH OUTFALL ALTERNATIVE WITH COUNTY CONTINUING TO PUMP TO IBWRF8/10/09



2ARehoboth FM, Ocean Outfall & Treatment Improvements-3.4 Max Month10.2 MGD Peak Hour$20,688,000$0100%$20,688,000All Rehoboth Cost$0

3WNRWF Headworks Upgrades2-26.6 MGD Max Month17.5 MGD Peak Hour$1,296,572$1,296,5720.0%$0$1,296,572

4WNRWF to IBRWF/ANSWERF P.S.3-22.1 MGD Max Month3.2 MGD Peak Hour$2,000,000$2,000,0000.0%$0$2,000,000

5Force Main to IBRWF (Option #3)3-12.1 MGD Max Month3.2 MGD Peak Hour$11,142,250$11,142,2500.0%$0$11,142,250




12Land/Easements---$0$00.0%$0

13A10% Contingency---$4,773,882$4,773,882$35,038,822$12,700,000

13B30% Contingency Ocean Outfall Items Only$6,476,400$0100.0%$6,476,400$0$0

14Engineering & Administration---$18,852,795$11,552,79538.7%$7,300,000Reboboth E&A is from Rehoboth Report$8,479,395$3,073,400



Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1


Outfall Option Rehoboth OnlyOutfall Option Rehoboth Onlywith Better Financing Option







Sussex County Operations and Maintenance ($2.00/1000 gal)$150,000$84,480$150,000$84,480$150,000$84,480Outfall O&M

Subtotal$2,636,624$2,398,503$2,398,503



O&M Costs$1,890,000$1,118,703

&L&Z&F

Alt 4


Alternative #4 - COMBINED REHOBOTH AND COUNTY OCEAN OUTFALL8/10/09


1RBSTP Pumping StationX3.4 Max Month10.2 MGD Peak Hour$900,000$0100%$900,000All Rehoboth Cost$0

2Force Main to WNRWF (Option #1)3-22.1 Max Month4.2 MGD Peak Hour$2,088,000$2,088,0000%$0All Rehoboth Cost$2,088,000

2ARehoboth FM, Ocean Outfall & Treatment Improvements-8.3 Max Month8.3 Max Month$26,088,000$15,401,34941.0%$10,686,651WR vs Rehoboth Cost Split$15,401,349


4WNRWF to IBRWF/ANSWERF P.S.X2.1 MGD Max Month4.2 MGD Peak Hour$1,400,000$1,400,0000.0%$0First 2.5 MGD are Rehoboth Costs per DBB$1,400,000


6AWNRWF Upgrades04.4 MGD Max Month4.4 MGD Max Month$21,000,000$21,000,0000.0%$0$21,000,000


12Land/Easements---$0$00.0%$0From Artesian Proposal

13A10% Contingency---$3,669,045$3,001,44218.2%$667,603Contingency Costs Proportional Share$41,185,922$10,905,882

13B30% Contingency Ocean Outfall Items Only$8,096,400$6,623,21518.2%$1,473,185Contingency Costs Proportional Share$5,236,586$1,386,629

14Engineering & Administration---$16,179,090$13,235,21418.2%$2,943,876Administrative Costs Proportional Share$10,464,304$2,770,910



Flow Split


WNRWF (4.4-2.3)2.145.7%

Rehoboth2.554.3%

Subtotal4.6



Total7.1


Outfall Option Rehoboth and SussexOutfall Option Rehoboth and Sussexwith Better Financing Option



Annual Capital Cost$1,270,545$715,571$1,071,231$603,317$2,272,372$1,279,800



Collection System From Rehoboth March 2009 Report)$150,000$138,735$150,000$138,735$150,000$138,735Outfall O&M

Sussex County Operations and Maintenance ($2.00/1000 gal)$0$0$0$0$150,000$84,480

Subtotal$1,749,794$1,637,540$2,398,503


Annual Capital Costs$1,270,545$715,571

O&M Costs$1,740,000$1,034,223

&L&Z&F

Scratch

6.6

8.4666666667


City of Rehoboth Beach Comments


Questions?August 18, 2009


Where do we go from here?August 18, 2009

*Alternative #4- Combined Ocean OutfallWolfe Neck Service AreaCity of Rehoboth4.4 MGDInland Bays Service Area2.9 MGDIncludes:West RehobothGoslee CreekNorthern WR ExpIncludes:City of RehobothHenlopen AcresDewey BeachIncludes:Long Neck SSDOak Orchard SSDOO Exp #1Angola Neck SSDWNRWFTreatment and Disposal Capacity Available= 2.3 MGDUpgrades for Additional Treatment to 4.4 MGD2.5 MGD(Treated WW)2.1 MGD (Excess Treated WW)Ocean OutfallNote: All flow rates refer to year 2030 Max Month treatment and disposal requirements.Total Cost: $92 MCounty Cost $75 MRehoboth Cost: $17 MRehoboth Rates: $400-500(Not part of August 2009 County/Rehoboth Study. Slide inserted for informational purposes for August 18, 2009 presentation to Sussex County Council. Slide was part of presentation to Sussex County Council in June 2008)

*Previous County Council MotionsCounty Council Motion, June 3, 2008A Motion was made by Mr. Dukes, seconded by Mr. Phillips, to support spray irrigation (Alternative No. 3 Joint Sussex County/Rehoboth Spray Irrigation). Motion Adopted: 4 Yeas, 1 Nay.

County Council Motion, December 16, 2008A Motion was made by Mr. Dukes, seconded by Mr. Phillips, to authorize County staff to issue an RFP (for cost alternatives for wastewater treatment and disposal services for the Wolfe Neck Treatment Facility and City of Rehoboth).Motion Adopted: 4 Yeas, 1 Nay. (Not part of August 2009 County/Rehoboth Study. Slide inserted for informational purposes for August 18, 2009 presentation to Sussex County Council.Alternative #3 of June 3, 2008 does not refer to Alternative #3 of August 2009 Joint Study. Italics emphasis added.)

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Sussex County Council

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Transcript of Sussex County Council