Addendum No. 2
AD2-1
City of Sioux City Parks and Recreation Department
405 6th Street Sioux City, IA 51104
July 14, 2017
Addendum No. 2
2017 Cone Park Splash Pad and Ice Rink Project City of Sioux City
Project No. 6916-459-041
TO ALL PROSPECTIVE BIDDERS
This addendum shall become a legal binding part of the contract documents. All bidders shall agree to accept the revisions, additions, and/or deletions indicated and prepare proposals in accordance therewith. The following revisions, additions, and/or deletions are hereby made a part of the Contract Documents and plans for the above referenced project, as fully and completely as if the same were fully set forth therein:
CONTRACT DOCUMENTS AND SPECIFICATIONS
1. Special Provisions, Section 01 10 00 - 2.01 Materials, Item L Ice Rink Products,paragraphs 4.d, 6.c, and 7.e and add the following pre-approved manufacturers /suppliers:
2. Minnesota Ice – Jack [email protected]
3. Everything Ice – Jon [email protected]
2. Special Provisions, Section 01 10 00 - 2.01 Materials, Item K Ice Rink Refrigeration,paragraphs 1.k and 2.b and add the following pre-approved manufacturers / suppliers:
2. Minnesota Ice – Jack [email protected]
3. Everything Ice – Jon [email protected]
PLANS
1. Completely replace sheets A0.8 and U0.2, a total of two (2) sheets, with theaccompanying revised replacement sheets. Replacement sheets contain a revisiontriangle dated 7/14/2017 in their bottom right corner.REVIEW SET O
NLY - N
OT FOR BIDDIN
G
Addendum No. 2
AD2-2
CLARIFICATIONS
1. Note to General Contractors and alternative suppliers of ice rink equipment: The size,quantity and listed material and performance specifications of the chiller equipment(chillers themselves & glycol pumps, etc.), as well as the combination drains, removablecurb, piping, etc., were all intentional selections/decisions. Any significant deviationsfrom the specified equipment will not necessarily be acceptable to Owner. For example,utilizing five (5) identical 10-Ton individual chillers in parallel with two (2) identical glycolpumps was a conscience decision by Owner. Supplying a single 50-ton chiller (or othersuch deviation) in lieu of the five (5) identical units is not satisfactory and would berejected during the shop drawing phase, at no change of cost or responsibility to theOwner.
Attachments
1. Revised Plan Sheet A0.8 and U0.2.
All bidders shall acknowledge receipt and acceptance of this addendum by entering the addendum number on the appropriate space of the submitted Bid Form.
REVIEW SET ONLY
- NOT FOR BID
DING
Know what's below.before you dig.Call
R
70 PERCENT REVIEW
PLAN IN HAND
REVISIONS
FIELD BOOK
SURVEY FILE NO.
FIELD CREW
DATE
95 PERCENT REVIEW
INITIALS
DATEINITIALS
DATEINITIALS
FILE NAME
DATE
PROJECT NO.
DRAWN BY
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A0.8
SP
LA
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LA
B &
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17
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PL
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7/6/2017
7/14/2017
REV2
REV1
G.L.J.
7/14/2017
S-161236.dwg
161236.00
JOINT SEALING FILLER WIDTH OF SAW BLADE
CHAIR
#4 DIA. X 30" BARS@ 48" C.C.
REINFORCED JOINTSCALE: N.T.S.
CHAIR
JOINT SEALING FILLERW/ 14" RSPLASH PAD SLAB: #4 BARS
@ 12" C.C.E.W.
#4 DIA. X 30" BARS@ 48" C.C.
KEYED CONSTRUCTION JOINTSCALE: N.T.S.
CONCRETE SLAB JOINTSSCALE: N.T.S.
2A0.8
SPLASH PAD SLAB: #4 BARS@ 12" C.C.E.W.
SPLASH PAD CONCRETE, SEE DETAIL 2/A0.8 FOR REINFORCINGAND SEE SPECIFICATION FOR FINISHING REQUIREMENTS. FOR
THE BASE BID (ONLY), THE SPLASH PAD SPRAY-AREA AND
SPRAY-FREE-AREA SLABS' STEEL REINFORCING MATS MAY BE
OMITTED IF, MASTERFIBER® F70 BY BASF, A FIBRILLATED
MICROSYNTHETIC FIBER (FMF) CONCRETE ADMIXTURE PRODUCT, IS
ADDED TO THE SLAB CONCRETE MIX. THE FMF PRODUCT IS TO BE
100% VIRGIN HOMOPOLYMER THAT MEETS ASTM C 1116 SECTION 4.13
TYPE III, AND NOTE 2 OF REQUIREMENTS OF ICC ES AC32 ACTIONS
3.1.1 AND 3.1.2. FOR THIS PROJECT, INCLUDE FMF AT DOSAGE OF >
2.0 LBS/YD3 MINIMUM. THIS DOES NOT RELIEVE THE NEED FOR THE
STEEL REINFORCING AT THE KEYED CONSTRUCTION JOINT, NOR THE
REINFORCED JOINT; THE STEEL REINFORCING IS STILL REQUIRED AT
THOSE LOCATIONS. ADDITIONALLY, AFTER WAITING FOR THE
RECOMMENDED CURE TIME OF THE CONCRETE, THE CONTRACTOR IS
RESPONSIBLE FOR COMPLETELY REMOVING ALL EXPOSED FIBERS
FROM THE SLAB'S EXPOSED SURFACES, SUBJECT TO OWNER'S
EXPLICIT APPROVAL, PRIOR TO COMMISSIONING
5"
9"
INCLUDE A 6-MIL VAPOR BARRIERBETWEEN INSULATION AND SLAB
UNDISTURBED SOIL,COMPACT PER SPECIFICATIONS
FINISH GRADE
3.00'
9" OF FREE DRAINING GRANULAR MATERIALBELOW ENTIRE SLAB, EXTENDING 3' BEYONDEDGE OF PAD. SEE SPECIFICATIONS FORGRANULAR MATERIAL REQUIREMENTS
1A0.8
SPLASH PAD SLAB SUBGRADE DETAILN.T.S.
GEOTEXTILE FABRIC BELOW GRANULAR. SEESPECIFICATIONS FOR GEOTEXTILE REQUIREMENTS
3A0.8
SPLASH PAD MANIFOLD - ELEVATION VIEWN.T.S.
MAINTENANCEBUILDING FLOOR
4A0.8
SECTION VIEWN.T.S.
1
1A
1B
1G
1C 1D
1C
1E
1F
2
SLOPE TODRAIN TOMANHOLE
3
2
MAINTENANCEBUILDINGFLOOR
1B1F
1E
1A 1
1H
1H
CO
NFI
RM
W/
ENG
INEE
R(M
IN. 2
4")
CO
NFI
RM
MO
UN
TIN
G H
EIG
HT
W/ E
NG
INEE
R(M
INIM
UM
HEI
GH
T O
F 36
")
4' F
RO
M T
OP
OF
FLO
OR
1102.20F.F.
FREE DRAININGGRANULAR
SPRAY FREE AREA
SPRAY FREE AREA
SPRAY FR
EE AREA
SPR
AY F
REE
AR
EA
SPRAYAREA
8'-0" (TYP.)8'-0" (TYP.)
NOTE: THE PROVIDED/RECOMMENDED REINFORCED JOINTGRID CAN BE FIELD MODIFIED WITH PRIOR APPROVAL FROMENGINEER. THE MAXIMUM LENGTH TO WIDTH RATIO IS 1.25.MAXIMUM DIMENSION OF EITHER LENGTH OR WIDTH IS 10'-0"
UTILIZE KEYED CONSTRUCTION JOINTALONG ENTIRE PERIMETER BETWEENSPRAY AREA AND SPRAY FREE AREA.
SEE DETAIL 2/A0.8
UTILIZE REINFORCED JOINTFOR ALL OTHER CONCRETE JOINTS,SEE DETAIL 2/A0.8
ITEM # DESCRIPTION
***ENTIRE 'SPRAY AREA' IS TO BE POURED IN SINGLE POUR***
1
SPRAY AREA: 5" PC CONCRETE WITH #4 BARS AT 12" C.C.E.W.; SPRAY AREA IS 3,915 SQ. FT. THE ENTIRE SPRAY AREA EXTERIORPERIMETER IS AT SAME TOP OF SLAB ELEVATION OF 1102.25, AND SLOPES TO TWO DRAINS, CENTERED WITHIN SPARY AREA. UTILIZE'KEYED CONSTRUCTION JOINT' ALONG ENTIRE PERIMETER OF THIS AREA, SEPARATING THE SPRAY AREA FROM THE SPRAY FREE AREA.ALL OTHER CONCRETE JOINTS ARE TO BE 'REINFORCED JOINTS'. REFER TO DETAIL 2/A0.8 ADDITIONAL JOINT INFORMATION, ANDREFER TO DETAIL 1/A0.8 FOR SUBGRADE REQUIREMENTS.
2
SPRAY FREE AREA: 5" PC CONCRETE WITH #4 BARS AT 12" C.C.E.W.; SPRAY FREE AREA IS 5' WIDE AROUND SPRAY AREA. THE INTERIORSPRAY FREE AREA PERIMETER IS AT SAME TOP OF SLAB ELEVATION OF 1102.25. UTILIZE 'KEYED CONSTRUCTION JOINT' ALONG THETRANSITION FROM THE SPRAY AREA FROM THE SPRAY FREE AREA. ALL OTHER CONCRETE JOINTS ARE TO BE 'REINFORCED JOINTS'.REFER TO DETAIL 2/A0.8 FOR ADDITIONAL JOINT INFORMATION, AND REFER TO DETAIL 1/A0.8 FOR SUBGRADE REQUIREMENTS.
UNLESS STATED OTHERWISE, ALL MATERIALS TO BE PROVIDED BY CONTRACTOR.
ITEM # DESCRIPTION
1FACTORY BUILT MANIFOLD ASSEMBLY BY PRE-APPROVED SPLASH PAD MANUFACTURER.EXACT DIMENSION/QUANTITY OF SUPPLY LINES TO BE PROVIDED BY MANUFACTURER
1A CONTROLLER
1B TYP. MANIFOLD SUPPORT BRACKET; ANCHOR PER MANUFACTURER RECOMMENDATIONSWITH S.S. HARDWARE
1C 0-150 PSI PRESSURE GAUGE, TWO (2) REQUIRED AS SHOWN1D TYP. SEGMENT OF 3" Ø DISTRIBUTION MANIFOLD1E TRUE UNION 2000 BALL VALVE1F TYP. SOLENIOD VALVE W/ INTEGRAL FLOW ADJUSTMENT1G 3" Ø BLIND FLANGE1H TYP. SCH. 80 PVC TRUE UNION COUPLING
2
SCH. 80 PVC SPLASH PAD, INDIVIDUAL FEATURE PIPING. THE EXACT QUANTITY (AND MIN.SIZING) OF FEATURE SUPPLY LINES IS TO BE VERIFIED WITH EACH SUPPLIER; THE ABSOLUTEMINIMUM NUMBER OF FEATURE SUPPLY LINES (REGARDLESS OF SUPPLIER) IS TEN (10).THIS ABSOLUTE MINIMUM QUANTITY IS NECESSARY TO ENSURE ADEQUATE OPTIONS FORFEATURE SEQUENCING. FOR BIDDERS UTILIZING VORTEX AS SUPPLIER, IT SHOULD BEUNDERSTOOD BY BIDDERS THAT A MINIMUM OF TEN (10) FEATURE SUPPLY LINES AREREQUIRED; EIGHT (8) OF THE FEATURE SUPPLY LINES ARE TO BE A MINIMUM OF 1”Ø ANDTWO (2) OF THE FEATURE SUPPLY LINES ARE TO BE A MINIMUM OF 1.5” Ø. ALLASSOCIATED APPURTENANCES (SOLENOIDS, BALL VALVES, COUPLINGS, FITTINGS,WINTERIZATION FITTINGS, ETC.) ARE TO MATCH THE MINIMUM SIZE DIAMETER THATSUPPLIER REQUIRES FOR EACH SUPPLY LINE. FOR BIDDERS UTILIZING OTHER FEATURESUPPLIERS, COORDINATE QUANTITY (MINIMUM OF 10) AND SIZING OF EACH FEATURESUPPLY LINE
3 MAINTENANCE BUILDING
1
2
24" M
IN.
6" T
YP.
PROVIDE 2 LAYERS OF 1"INSULATION. SEE SPEC'S.EXTEND INSULATION 3'-0"BEYOND EDGE OF PAD; DIVEINSULATION DOWN INTOGROUND AT EDGE OF PAD ATANGLE AGREED UPON WITHOWNER/ENGINEER
REFER TO DETAIL 2/U0.2 FOR CONTINUATION
1102.25TS
1102.15TS
1102.25TS
1102.25TS
1102.25TS
1102.25TS
1102.25TS
1102.15TS
1102.15TS
1102.15TS
COORDINATE KNOCKOUT/VOID IN MECHANICALROOM FLOOR WITH OWNER
1
1
1
2
2
2
2
REVIEW SET ONLY
- NOT FOR BID
DING
PRV
70 PERCENT REVIEW
PLAN IN HAND
REVISIONS
FIELD BOOK
SURVEY FILE NO.
FIELD CREW
DATE
95 PERCENT REVIEW
INITIALS
DATEINITIALS
DATEINITIALS
FILE NAME
DATE
PROJECT NO.
DRAWN BY
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U0.2
DE
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7/6/2017
7/14/2017
REV2
REV1
G.L.J.
7/14/2017
S-161236.dwg
161236.00
5'-0
" (IN
SID
E D
IA)
SUPPLYPIPING TOSPLASH PAD
MANHOLE STEPS, SPACED AT 16"
60" I.D. MANHOLE BARREL SECTION
STOP & WASTE VALVE AT LOWESTLOCATION OF PIPE.
PLAN VIEW
DEETER 1030 MANHOLE RING & COVER
1102.25RIM ELEV.
1096.50TOP OF FOOTING
5'-0" (I.D.)
SECTION VIEW
1098.001" WATER MAIN
CONTRACTOR TO REMOVEANY LIFTING LUGS TO 1"
BELOW THE TOPELEVATION AND THEN
GROUT RECESSES
18" FREE DRAINING GRANULARMATERIAL AROUND AND BELOWMANHOLE. FILTER FABRIC TO BEINSTALLED BETWEEN SOIL AND
GRANULAR MATERIAL
SUPPLY PIPING TOSPLASH PADFEATURES. LOWPOINT OF THESUPPLY PIPING ISTHE STOP &WASTE VALVES INTHE MANHOLE
PREFABRICATED 60"I.D. MANHOLE BARRELSECTIONS ANDPRECAST TOP/LID W/DEETER 1030 RINGAND COVER.MANHOLE STEPS ARENOT SHOWN ON THISVIEW.
INSTALL 12" LONG SLEEVE FOR EACH SUPPLY PIPE.CAULK AND SEAL SLEEVE PENETRATION. SLEEVE
DIAMETER TO BE 12" GREATER THAN FEATURE PIPING, MIN.
WINTERIZATION MANHOLE1U0.2 SCALE: N.T.S.
6" WATER SERVICE
TO SPLASH PADMANIFOLD(SEE DETAIL 3/A0.8)
1" AIR RELEASE
3" PRESSUREREDUCING VALVE
3" RPZ BACKFLOWPREVENTOR
3" BLIND FLANGE
3" CROSS
6"x3" REDUCER
6" GATE VALVE
FINISHED FLOOR OF MECHANICAL BUILDINGFFE=1102.20
MECHANICAL BUILDING INTERIOR PIPING LINE DIAGRAM2U0.2 SCALE: N.T.S.
3" SPOOL
ADDITIONAL INTERIORPIPING BY OWNER
3" SPOOL
3"x2" TEE FL, 2" GATEVALVE FL, AND 2' OF 2" DIA.SPOOL w/ 2-1/2" FIRE HOSE CONNECTIONw/ BRASS CAP
CO
NFI
RM
INST
ALL
HEI
GH
T W
/ OW
NER
, E
NG
INEE
R, &
SPL
ASH
PAD
EQ
UIP
. SU
PPLI
ER
NOTES:1. PER NOTES 8A & 8B ON SHEET A0.6, INCLUDE PROVISIONS AND COORDINATION EFFORTS/TIMING TO EXTEND 6" WATER
MAIN UP TO 15' FROM WHERE IT IS TERMINATED TO WITHIN BUILDING FOOTPRINT, AS WELL AS ALL APPURTENANCES
CALLED FOR ABOVE TO PROVIDE A COMPLETE AND OPERATIONAL SYSTEM. COORDINATE TIMING WITH OWNER TO STUB
EXTENDED MAIN UP THROUGH NEW MECHANICAL BUILDING FLOOR.
2. INCLUDE PIPE HANGARS, AND/OR FLOOR/WALL SUPPORTS TO PROPERLY MOUNT AND SECURE ALL PIPING
APPURTENANCES WITHIN THE BUILDING.
3. MIN. INSTALLATION HEIGHT OF 36" TO BE COORDINATED WITH ENGINEER, OWNER AND SPLASH PAD MANIFOLD SUPPLIER.
36" M
IN. (
THO
UG
H S
EE C
OO
RD
. NO
TE)
1
3" GATE VALVE
2
2
2
REVIEW SET ONLY
- NOT FOR BID
DING
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