Orcst - Variation and Final Acc1

OMISSION ADDITIONAL

ITEM DESCRIPTION UNIT RATE TOTAL RATE TOTAL

CONTRACT SUM $20,854,880.00

REMEASURED WORKS BILL NO. 3 - Pile Caps

C

120 M2 $3,600.00 $432,000.00

D

3.6 M2 $13,000.00 $46,800.00

E

1.92 M3 $58,000.00 $111,360.00

QUANTITY

Allow for the replacement of corroded rebar where required with 16mm diameter bars x 1m, bent and welded to existing rebar as per drawing sheet 2a and as instructed by the Engineer and coated with epoxy zinc chromate primer to exposed surfaces

Supply and install wrought formwork to soffit and sides of pile cap. (for minimum concrete thickness of 150mm) inclusive of supports and bracing and striking on completion

Place design concrete mix containing chloride inhibitors and super plastisizers having a 28 day cube strength of 30 Mpa

OMISSION ADDITIONAL

ITEM DESCRIPTION UNIT RATE TOTAL RATE TOTAL QUANTITY

H

56.929 M $11,000.00 $626,219.00

J

2 $112,000.00 $224,000.00

H

PS $600,000.00

Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary repair concrete such Phoscrete supplied by PowerGen Limited (or similar product approved by the Engineer)

Clean during low tide exposed concrete and steel reinforcement to 2no. Pile Head supporting Pile Cap D appox 0.4 x 0.45m x 2no at splash zone by water blasting with potable water and apply layers of phoscrete concrete as per manufacturer instruction to ac

BILL NO. 4- Repairs to Deck Support Beams

Include Provisional Sum of $600,000.00 to be used as instructed by the Engineer. To be deducted in whole or part if unused.

OMISSION ADDITIONAL


D

192 M2 $1,000.00

E

PS $300,000.00

BILL NO. 6 = Repairs to T-Pier

K

PS $650,000.00

BILL NO. 7

VARIATION No. 1

Dowel 25mm rebars into existing slab 24 No. $3,271.25 Eng. Estimate @ $2,972.21 $78,510.00

removespalling concrete from additional t-pier cap 0.5 M3 $140,000.00 Rate is as per BQ/6 - ITEM A $70,000.00

BILL NO. 5 - Painting and Protective Coatings

Repaint exterior surfaces (sides and soffit) of 8no. pile caps with approved exterior marine grade paint finish, colour to match existing

Allow Provisional Sum of $300,000.00 to be used as instructed by Engineer. To be removed in whole or part if not used

Include the PROVISIONAL SUM of $650,000.00 for Contingencies to be used as directed by the Engineer and to be deducted in whole or in part if not required:-

OMISSION ADDITIONAL


VARIATION No. 2

replace barrier on T-Pier 5 no. $20,000.00 Eng. Estimate @ $85,000.00 $100,000.00

70 M $7,000.00 $490,000.00

Apply Nitobond to deck support beam item $19,375.00

additional work to widen Gate as Directed Sum Relocation of Gate Posts $20,000.00

VARIATION No. 3

Repair to Stem of Deck Beams

8 item $37,500.00 $300,000.00

A7 M2 $9,250.00 $64,750.00

B

10 M $8,000.00 $80,000.00

Chase crack to a minimum depth of 30mm x 60mm wide and repair with approved masonry repair concrete

( Rendoroc)

Allow for relocating the pantoon between span of pile clusters.

Remove delaminated and spalling concrete to a depth ( > 10 MM) so as to expose reinforcement

and clean with potable water .

Allow for cleaning of rebars with wire brush to remove all corrosion and wash with potable water.

(Corroded portion of rebar exposed to damaged face of stem)

OMISSION ADDITIONAL


C

0.069 M3 $39,600.00 $2,732.40

D

5 M $4,000.00 $20,000.00

E

240 No. $300.00 $72,000.00

Repair to the Soffit of Beams

A

10 No. $1,562.50 $15,625.00

B1 M2 $15,625.00 $15,625.00

C2 M2 $1,375.00 $2,750.00

Place design masonary repair concrete such Renderoc HB (or similar product approved by the

Engineer) to a thickiness no less than 12mm

Chase cracks to minimum depth fo 12mm and 30 mm wide; repair with approved masonary repair

concrete such Renderoc (or similar product approved by the Engineer)

Allow for removing concrete from defective area (0.07 sq. m) of beam stem, clean rebars with wire

brush to remove all corrosion and treat with zinc chromate. Repair using Renderoc HB (Corroded

portion of rebar exposed to damaged face of stem). apply Nitobond SBR as per manufacturer's

specification.

Remove 0.2 m2 delaminated and spalling concrete to a minimum depth of 12mm so as to

expose rebars of the soffit of deck beam.

Wire brush rebars to remove corrosion, wash with potable water and coat with zinc chromate

To apply Nitobond SBR as bonding agent to deck beams

OMISSION ADDITIONAL


D

0.02 M3 $820,000.00 $16,400.00

REPAIR TO PILE CAPS

A

3 M $28,200.00 $84,600.00

B 8 M2 $6,750.00 $54,000.00

C6 item $4,229.00 $25,374.00

D0.2 M2 $41,000.00 $8,200.00

E

0.5 M $70,250.00 $35,125.00

TOTAL OMISSION $2,400,219.00 TOTAL ADDITION $2,165,226.40

NET VARIATION -$234,992.60


Place design masonary repair concrete such Renderoc HB ( similar product approved by the


Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary

repair concrete such as Renderoc (or similar product approved by the Engineer)

Remove delaminated and spalling concrete to a minimum depth so as to expose rebars



Engineer) .

Effect repairs to one corner ( 1M X1MX 0.5M) of a a pile cap, remove spalling concrete, clean

corrosion from bars using wire brush , treat with zinc chromate , shuttering and apply apply deisgn concrete with chloride inhibitor of design strength

no less than 30 Mpa.

OMISSION ADDITIONAL


REVISED CONTRACT SUM $20,619,887.40

OMISSION ADDITIONAL

ITEM DESCRIPTION UNIT RATE TOTAL RATE TOTAL


VARIATION No. 4

A

4 Eng. Estimate @ $47,000.00 $55,000.00 $220,000.00

B

4 Rate is as per BQ/6 Item B $8,500.00 $34,000.00

C

5 Kg Rate is as per BQ/6 Item C $3,600.00 $18,000.00

D7.6 Eng. Estimate @ $13,000.00 $10,000.00 $76,000.00

E 1.5 Rate is as per BQ/6 Item E $58,000.00 $87,000.00

F Allow for Nitobond as per Manufacture's Instructions 4 Eng. Estimate @ $1,400.00 $1,375.00 $5,500.00

G 1.5 Eng. Estimate @ $7,700.00 $7,000.00 $10,500.00

H8 Rate is as per BQ/8 Item C $7,100.00 $56,800.00

SUB-TOTAL $507,800.00

OMISSION

BILL NO. 3 - Pile Caps

FPS $120,773.60

BILL NO. 6 - Repairs to T-Pier

HPS $387,026.40

SUB-TOTAL $507,800.00

Summary


VARIATIONS No. 4 $507,800.00

OMISSION ($507,800.00)

GRAND TOTAL $20,854,880.00

QUANTITY

Complete repairs as outlined to Pile Caps and concrete pile muff protection over water depth between 1m

Remove delaminated and spalling concrete to sides and base of pile cap to depth of 100mm below reinforcement and clean with potable water using high pressure water jet equipment during low tide level m2

Allow for cleaning of rebars with wet sand blasting, high pressure potable water jet and mechanical cleaning to White Metal (SSPC-SP5) (NACE1). (Corroded portion of rebar exposed to damaged face of pile caps)

m2



m2

Place design concrete mix containing chloride inhibitors and super plastisizers having a 28 day cube strength of 30 Mpa m3

m2

Allow for the application of Renderoc to surface of repaired concrete beam to seal and close any cracks which may appear. m2

Apply two coats of the approved protective coating to match exterior colour. m2

Allow Provisional Sum of $150,000.00 for supply and installation of sacrificial anodes ( to be used as directed by the Engineer and to removed in whole or part if unused)


OMISSION ADDITIONAL

DESCRIPTION UNIT RATE TOTAL RATE TOTAL


REMEASURED WORKS - All rates are as per contract


120 M2 $3,600.00 $432,000.00

3.6 M2 $13,000.00 $46,800.00

1.92 M3 $58,000.00 $111,360.00

SUB-TOTAL $590,160.00VARIATIONS

VARIATION No. 1

Dowel 25mm rebars into existing slab

24 No. Eng. Estimate @ $2,900.00 $3,271.25 $78,510.00

removespalling concrete from additional t-pier cap 0.5 M3 Rate is as per BQ/6 - ITEM A $140,000.00 $70,000.00

VARIATION No. 2

replace barrier on T-Pier

5 no. Eng. Estimate @ $18,500.00 $20,000.00 $100,000.00

70 M Eng. Estimate @ $7,700.00 $7,000.00 $490,000.00

Apply Nitobond to deck support beamITEM Eng. Estimate @ $17,000.00 $19,375.00

additional work to widen Gate as Directed Sum Eng. Estimate @ $ 20,000.00 $20,000.00

QUANTITY




Chase crack to a minimum depth of 30mm x 60mm wide and repair with approved masonry repair concrete ( Rendoroc)

OMISSION ADDITIONAL

DESCRIPTION UNIT RATE TOTAL RATE TOTAL QUANTITY

VARIATION No. 3

Repair to Stem of Deck BeamsAllow for relocating the pantoon between span of pile clusters. 8 item Eng. Estimate @ $ 32,500.00 $37,500.00 $300,000.00

7 M2 Eng. Estimate @ $ 14,000.00 $9,250.00 $64,750.00

10 M Rate in the contract is $8,500. $8,000.00 $80,000.00

0.069 M3 Eng. Estimate @ $ 49,000.00 $39,600.00 $2,732.40

5 M Eng. Estimate @ $2,700.00 $4,000.00 $20,000.00

240 No. Eng. Estimate @ $287.00 $300.00 $72,000.00


10 No. Eng. Estimate @ $1,600.00 $1,562.50 $15,625.00

1 M2 Eng. Estimate @ $11,900.00 $15,625.00 $15,625.00

To apply Nitobond SBR as bonding agent to deck beams 2 M2 Eng. Estimate @ $3,500.00 $1,375.00 $2,750.00

Eng. Estimate @ $17,680.00 Item $16,400.00

Remove delaminated and spalling concrete to a depth ( > 10 MM) so as to expose reinforcement and clean with potable

water .

Allow for cleaning of rebars with wire brush to remove all corrosion and wash with potable water. (Corroded portion

of rebar exposed to damaged face of stem)

Place design masonary repair concrete such Renderoc HB (or similar product approved by the Engineer) to a thickiness no

less than 12mm

Chase cracks to minimum depth fo 12mm and 30 mm wide; repair with approved masonary repair concrete such Renderoc

(or similar product approved by the Engineer)

Allow for removing concrete from defective area (0.07 sq. m) of beam stem, clean rebars with wire brush to remove all corrosion

and treat with zinc chromate. Repair using Renderoc HB (Corroded portion of rebar exposed to damaged face of stem).

apply Nitobond SBR as per manufacturer's specification.

Remove 0.2 m2 delaminated and spalling concrete to a minimum depth of 12mm so as to expose rebars of the soffit of deck

beam.


Place design masonary repair concrete such Renderoc HB ( similar product approved by the Engineer) to a thickiness no

less than 12mm

OMISSION ADDITIONAL


Repairs to Pile Cap

3 M Eng. Estimate @ $11,000.00 $28,200.00 $84,600.00

8 M2 Eng. Estimate @ $20,000.00 $6,750.00 $54,000.00

6 item Eng. Estimate @ $2,500.00 $4,229.00 $25,374.00

0.2 M2 Eng. Estimate @ $49,000.00 $41,000.00 $8,200.00

0.5 M Eng. Estimate @ $80,000.00 $70,250.00 $35,125.00

VARIATION No. 4

4

Eng. Estimate @ $47,000.00 $55,000.00 $220,000.00

4

Rate is as per BQ/6 Item B $8,500.00 $34,000.00

5 Kg

Rate is as per BQ/6 Item C $3,600.00 $18,000.00

7.6Eng. Estimate @ $13,000.00 $10,000.00 $76,000.00

1.5 Rate is as per BQ/6 Item E $58,000.00 $87,000.00

Allow for Nitobond as per Manufacture's Instructions 4 Eng. Estimate @ $1,400.00 $1,375.00 $5,500.00

1.5 Eng. Estimate @ $7,700.00 $7,000.00 $10,500.00

8Rate is as per BQ/8 Item C $7,100.00 $56,800.00

SUB-TOTAL $2,082,866.40

OMISSION

General & Preliminary Items

PS $50,000.00


PS $150,000.00

70 M $11,000.00 $770,000.00

Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary repair concrete such as

Renderoc (or similar product approved by the Engineer)



Place design masonary repair concrete such Renderoc HB ( similar product approved by the Engineer) .

Effect repairs to one corner ( 1M X1MX 0.5M) of a a pile cap, remove spalling concrete, clean corrosion from bars using wire

brush , treat with zinc chromate , shuttering and apply apply deisgn concrete with chloride inhibitor of design strength no less

than 30 Mpa.


Remove delaminated and spalling concrete to sides and base of pile cap to depth of 100mm below reinforcement and clean with potable water using high pressure water jet equipment during low tide level

m2


m2



m2


m3

m2

Allow for the application of Renderoc to surface of repaired concrete beam to seal and close any cracks which may appear.

m2

Apply two coats of the approved protective coating to match exterior colour.

m2

Allow Provisional Sum of $50,000.00 for the supply and installation of signs as per Engineers instructions



OMISSION ADDITIONAL


2 $112,000.00 $224,000.00


PS $600,000.00


192 M2 $1,000.00 $192,000.00

PS $300,000.00

BILL NO. 6 - Repairs to Damaged T-Pier

PS 387,025.20

SUB-TOTAL $2,673,026.40 $2,673,026.40

Summary


REMEASURED WORKS $590,160.00

VARIATIONS $2,082,866.40

OMISSION ($2,165,226.40)

GRAND TOTAL $21,362,680.00






OCHO RIOS PILE CAP REPAIRS - VARIATION

of 147

OMISSION ADDITIONAL

ITEM DESCRIPTION UNIT RATE TOTAL RATE


General & Preliminary ItemsK

PS $50,000.00

BILL NO. 3 - Pile CapsC

120 M2 $3,600.00

D

3.6 M2 $13,000.00

E

1.92 M3 $58,000.00

QUANTITY






of 147

OMISSION ADDITIONAL

ITEM DESCRIPTION UNIT RATE TOTAL RATEQUANTITY

F

PS $150,000.00

H

70 M $11,000.00 $770,000.00

J

2 $112,000.00 $224,000.00

H

PS $600,000.00







of 147

OMISSION ADDITIONAL


D

192 M2 $1,000.00 $192,000.00

E

PS $300,000.00

BILL NO. 6 = Repairs to T-Pier

K

PS $650,000.00

F 16 mm diameter high tensile rod reinforced 212 KG $300.00 $63,600.00

G 25 mm diameter high tensile rod reinforced 364 KG $350.00 $127,400.00

BILL NO. 7

F 10 mm diameter mild steel rod reinforced 450.00 KG $260.00 $117,000.00

VARIATION No. 1


removespalling concrete from additional t-pier cap






of 147

OMISSION ADDITIONAL


VARIATION No. 2


70 M $7,000.00

Apply Nitobond to deck support beam

additional work to widen Gate as Directed

VARIATION No. 3

Repair to Stem of Deck Beams

8 item $37,500.00

A7 M2 $9,250.00

B

10 M $8,000.00

Chase crack to a minimum depth of 30mm x 60mm wide and repair with approved masonry repair concrete

( Rendoroc)

Allow for relocating the pantoon between span of pile clusters.

Remove delaminated and spalling concrete to a depth ( > 10 MM) so as to expose reinforcement

and clean with potable water .


(Corroded portion of rebar exposed to damaged face of stem)


of 147

OMISSION ADDITIONAL


C

0.069 M3 $39,600.00

D

5 M $4,000.00

E

240 No. $300.00


A

10 No. $1,562.50

B1 M2 $15,625.00

C2 M2 $1,375.00

Place design masonary repair concrete such Renderoc HB (or similar product approved by the


Chase cracks to minimum depth fo 12mm and 30 mm wide; repair with approved masonary repair

concrete such Renderoc (or similar product approved by the Engineer)

Allow for removing concrete from defective area (0.07 sq. m) of beam stem, clean rebars with wire

brush to remove all corrosion and treat with zinc chromate. Repair using Renderoc HB (Corroded

portion of rebar exposed to damaged face of stem). apply Nitobond SBR as per manufacturer's

specification.

Remove 0.2 m2 delaminated and spalling concrete to a minimum depth of 12mm so as to

expose rebars of the soffit of deck beam.




of 147

OMISSION ADDITIONAL


D

0.02 M3 $820,000.00

REPAIR TO PILE CAPS

A

3 M $28,200.00

B 8 M2 $6,750.00

C6 item $4,229.00

D0.2 M2 $41,000.00

E

0.5 M $70,250.00

TOTAL OMISSION $3,244,000.00 TOTAL ADDITION

NET VARIATION -$1,078,773.60




Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary

repair concrete such as Renderoc (or similar product approved by the Engineer)




Engineer) .

Effect repairs to one corner ( 1M X1MX 0.5M) of a a pile cap, remove spalling concrete, clean

corrosion from bars using wire brush , treat with zinc chromate , shuttering and apply apply deisgn concrete with chloride inhibitor of design strength

no less than 30 Mpa.


of 147

OMISSION ADDITIONAL


REVISED CONTRACT SUM $19,776,106.40


of 147

ADDITIONAL

TOTAL

$20,854,880.00

$432,000.00

$46,800.00

$111,360.00


of 147

ADDITIONAL

TOTAL


of 147

ADDITIONAL

TOTAL

$78,510.00

$70,000.00


of 147

ADDITIONAL

TOTAL

$100,000.00

$490,000.00

$19,375.00

$20,000.00

$300,000.00

$64,750.00

$80,000.00


of 147

ADDITIONAL

TOTAL

$2,732.40

$20,000.00

$72,000.00

$15,625.00

$15,625.00

$2,750.00


of 147

ADDITIONAL

TOTAL

$16,400.00

$84,600.00

$54,000.00

$25,374.00

$8,200.00

$35,125.00

$2,165,226.40

PORT AUTHORITY OF JAMAICA

ITEM DESCRIPTION CONTRACT

QUANTITY


A a) Contractors All Risk

B b) Public LiabilityC c) Employers Liability

D

E

F Allow for mobilisation of equipment and site personnel

G Programme

H Setting Out

Listed under this bill are items for which, in opinion of the Engineer, a separate charge is appropriate and becomes due at the times stated. The sums are entered against these items shall be fixed lumps sums not subject to works. All extra costs requir

Allow for the provision of the following insurances for the works in accordance with the Condition of Contracts

Allow for provisons of Performance Bond of 10% for duration of construction of the works

Allow for mobilisation of all necessary tools, equipment and personnel site, inclusive of working platform or pontoon barge and necessary mooring or anchoring equipment for safe operation

J

K

L

M

N

O

BILL NO. 1 Cont'd

A

B Allow for the working, curing and testing of concrete test cubes.

C

Allow for all safety and Personal Protective Equipment required for the workforce including that required for working over water


Welfare and sanitary facilities, installation of temporary services, false work, platforms, boat, tenting for protection of works and removal on completion of contract.

Allow for modification to property fence and entrance canopy so as to create access for equipment & make good on completion

Allow for taking all precaution to avoid any damage whatsoever to existing infrastructures services.

Allow for providing samples of material proposed to be used in the Contract which when requested by the Engineer shall be furnished without delay.

TOTAL BILL NO. 1 - FIXED PRELIMINARIES Add#3 - BQ/2 carried forward

Allow for providing and erecting in approved locations proper sheds for use of the workmen, storage and protection of materials (those for cement having floor raised at least 12" from the ground) and for clearing same away upon completion of construction.

The Contractor shall enter in the spaces below the clause numbers of the conditions of Contract or Specification against which to cover any special risk, liabilities and obligations not described above and which cannot be included in the rates. The amoun

BILL NO. 2

Time Dependent Preliminaries

A Temporary Services (eg. water, power, phone etc) 10

B Lighting, site security and keeping site clean at all times 10

Site Supervsion and management.

C List made up of total figure below: 10

Item Amt/Week

EngineerSupervisor

REPAIR TO PILE CAPS

BILL NO. 3 Pile Caps

Repair to Pile Caps on Grid Lines B, C and E

A 4

B 4

TOTAL BILL NO. 1 - FIXED PRELIMINARIES Add#3 - BQ/2 - brought forward

TOTAL BILL NO. 1 - FIXED PRELIMINARIES carried to summary

TOTAL BILL NO. 2 - TIME DEPENDENT PRELIMINARIES

Complete repairs as outlined to Pile Caps and concrete pile muff protection over water depth between 1m and 6m

Remove delaminated and spalling concrete to sides of pile cap to depth of 100mm below reinforcement and clean with potable water using high pressure water jet equipment during low tide level


C 30

D 4

E 0.6

F

G 4

Repair to Pile Caps on Grid Lines B, CD, , E, N, P and V

H 100

J 2

REPAIR TO PILE CAPSBILL NO. 4





Allow for the application of repair mortor to surface of repaired concrete beam to seal and close any cracks which may appear.



TOTAL BILL NO. 3 - REPAIRS TO PILE CAP carried to summary

Repairs to Deck Support Beams

A 8

B 8

C 36

D Supply and install wrought fromwork to soffit and side of beam. 84

E 3

F 42

G 8

H

3

REPAIR TO PILE CAPS

Repair/Reinstatement of damage to Precast Double Tees on Grid Lines 5, 6, 7 & 8

Allow for temporary support and work access to each Double Tee sections (approx. 14m length) in water depth varing between 1m and 6m deep, during beam repairs

Remove 0.5 m2 delaminated and spalling concrete to expose at least 150mm of tendon on either side of damaged double Tee beam

Sandblast reinforcement tendons to remove corrosion and apply zinc chromate primer to exposed tendons

Place design concrete mix containing chloride inhibitors etc having a 28 day cube strength of 30 Mpa

Allow for the application of repair mortor to surface of repaired concrete beam to complete repairs and seal any cracks which may appear on surface of ccncrete.

Allow for the temporary work access platform to complete repairs to cracks in Double Tee beams in water depths 1m to 6m


Alternative (Rate Only)

Apply shot crete or build up concrete having a 28 day cube strength of 30 Mpa to complete beam repair around reinforcement tendons inclusive of final surface render finish.

TOTAL BILL NO. 4 - REPAIRS TO DECK SUPPORT BEAMS

BILL NO. 5

Painting and Protective Coatings

A

B 192

C 192

D 192

.E

REPAIR TO DAMAGED T PIERBILL NO. 6

DEMOLITION AND ALTERATION

Allow for the installation of protective drop cloth or equivalent method to facilitate the collection of sand and debris at each location resulting from the sandblasting of the concrete surface (measured seperately)

Remove existing paint finish to to sides and soffit of 8 no. pile caps by wet sand blasting or water blasting as required

Apply approved corrosion inhibiting coating to the previously prepared and new concrete surfaces of 8no. Pile caps as per manufacturers instruction



TOTAL BILL NO. 5 - PAINTING & PROTECTIVE COATINGS carried to summary

The demolition of existing in-situ slab between centre lines 3-4 and A-B . The removal and replacement of two "L" -shaped beams and repair one pile cap at 3B.

Carefully remove following damaged concrete section of pier inclusive of all false work and safety measures

A 25.00

B 13.50

C Cart away spoil

PRE-CAST REINFORCED CONCRETE

Reinforced Concrete 4500 PSI in:

D 3.00

Steel Reinforcement

E 10 mm diameter Mild steel rod reinforced 415.00

F 16 mm diameter high tensile rod reinforced 322.00

G 25 mm diameter high tensile rod reinforced 660.00

Formwork and support to:-

H Side of beam 23.00

J Ditto bottom of beam 6.00

K

22'-0" x 12'-0" x 8" section of reinforced concrete slab supported on 8" thick precast concrete slabs (to be reused) mounted on damaged reinforced concrete beams (measured seperately)

Damaged 18"x16"x22' reinforced concrete beams mounted on pile caps as supports to precast slab and insitu slab. Insitu slab to be removed and measured seprately.

This section covers the replacement of 2 No. Pre-cast reinforced concrete beam and in-situ 200mm concrete slab. Prices should include for all costs involved in order to fulfill every requirement of the design specification and any particular site conditio

Precast Reinforced Concrete Beam fixed to top of piles as per drawing


REPAIR TO DAMAGED T PIER

BILL NO. 7

IN-SITU REINFORCED CONCRETE

Reinforced Concrete Pile Cap

A Pile Cap - Concrete 431 M.Pa 0.30

B 12 mm diameter mild steel rod reinforced 21.00

C 16 mm diameter high tensile rod reinforced 97.00

D Sides of pile cap 2.00

In-situ Reinforced Concrete Slab

E 8.00

F 10 mm diameter mild steel rod reinforced 514.00


BILL NO. 8

SHORE PROTECTION - BOULDERS

A 600

B Ditto with boulder 0.3m - 0.8m diameter ( Provisional) 40

TOTAL BILL NO. 6 - REPAIR TO DAMAGED T PIER carried to summary

200 mm thick slab laid on Pre-Cast slab (measured seperately) finished with broom finish.

TOTAL BILL NO. 7 - IN-SITU REINFORCED CONCRETE carried to summary

To supply material , labour to place boulders 0.9m and 1.2m in diameter as rock armouring to shoreline in accordance with specifications (Provisional)

C 80

VARIATION

1 VARIATION No. 12

Dowel 25mm rebars into existing slab34 Remove spalling concrete from additional t-pier cap5

6 VARIATION No. 278 replace barrier on T-Pier

Apply Nitobond to deck support beam

additional work to widen Gate as Directed

VARIATION No. 3

Repair to Stem of Deck BeamsAllow for relocating the pantoon between span of pile clusters.

Carefully reclaim boulders(0.9m and 1.2m in diameter) from seabed in a depth of water not exceeding 1.5m for repacking in rock armouring (Provisional)

TOTAL BILL NO. 8 - SHORE PROTECTION - BOULDERS carried to summary


Remove delaminated and spalling concrete to a depth ( > 10 MM) so as to expose reinforcement and clean with potable water .



REPAIR TO PILE CAPS

Allow for cleaning of rebars with wire brush to remove all corrosion and wash with potable water. (Corroded portion of rebar exposed to damaged face of stem)

Place design masonary repair concrete such Renderoc HB (or similar product approved by the Engineer) to a thickiness no less than 12mm

Chase cracks to minimum depth fo 12mm and 30 mm wide; repair with approved masonary repair concrete such Renderoc (or similar product approved by the Engineer)

Allow for removing concrete from defective area (0.07 sq. m) of beam stem, clean rebars with wire brush to remove all corrosion and treat with zinc chromate. Repair using Renderoc HB (Corroded portion of rebar exposed to damaged face of stem). apply Nitobond SBR as per manufacturer's specification.

Remove 0.2 m2 delaminated and spalling concrete to a minimum depth of 12mm so as to expose rebars of the soffit of deck beam.


Place design masonary repair concrete such Renderoc HB ( similar product approved by the Engineer) to a thickiness no less than 12mm

Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary repair concrete such as Renderoc (or similar product approved by the Engineer)

VARIATION No. 4




Effect repairs to one corner ( 1M X1MX 0.5M) of a a pile cap, remove spalling concrete, clean corrosion from bars using wire brush , treat with zinc chromate , shuttering and apply apply deisgn concrete with chloride inhibitor of design strength no less than 30 Mpa.





Allow for Nitobond as per Manufacture's Instructions





CONTRACT ADDITION

UNIT RATE TOTAL QUNTITY RATE

Sum -

SumSum $600,000.00

Sum $100,000.00 -

Sum $550,000.00 -

Sum $400,000.00 -

Sum $40,000.00 -

Sum $10,000.00 -

Sum $250,000.00 -

PS $50,000.00

Sum $250,000.00 -

Sum $200,000.00 -

Sum $80,000.00 -

Sum $50,000.00 -

-

Sum $200,000.00

Sum $80,000.00

Week 6,000.00 $60,000.00

Week 6,000.00 $60,000.00

Week 50,000.00 $500,000.00

140,000.00 $560,000.00

8,500.00 $34,000.00

m2

m2

Kg 3,600.00 $108,000.00 120.00 3600.00

13,000.00 $52,000.00 3.60 13000.00

58,000.00 $34,800.00 1.92 58000.00

PS $150,000.00

2,000.00 $8,000.00

m 11,000.00 $1,100,000.00

no. 112,000.00 $224,000.00

m2

m3

m2

no. 235000 $1,880,000.00

no. 31,500.00 $252,000.00

8,500.00 $306,000.00

13,000.00 $1,092,000.00

58,000.00 $174,000.00

2,000.00 $84,000.00

no. 50,000.00 $400,000.00

PS $600,000.00

m2

m2

m3

m2

m3

item $100,000.00

8,500.00 $1,632,000.00

7,100.00 $1,363,200.00

1,000.00 $192,000.00

PS $300,000.00

m2

m2

m2

4000 $100,000.00

m 46000 $621,000.00

SUM $100,000.00

Cub. M 240,000.00 $720,000.00

Kg. 260.00 $107,900.00

Kg. 300.00 $96,600.00

Kg. 350.00 $231,000.00

Sq. M 4,000.00 $92,000.00

Sq. M 3,000.00 $18,000.00

PS $650,000.00

m2

Cub. M 38,000.00 $11,400.00

Kg. 300.00 $6,300.00

Kg. 320.00 $31,040.00

Sq. M 13,000.00 $26,000.00

Cub. M 33,000.00 $264,000.00

Kg. 260.00 $133,640.00

Cub. M 5,000.00 $3,000,000.00

Cub. M 5,000.00 $200,000.00

Cub. M 4,000.00 $320,000.00

No. 24 $3,271.25

M3 0.5 $140,000.00

no. 5 $20,000.00

M 70 $7,000.00

ITEM

Sum

item 8 $37,500.00

M2 7 $9,250.00

M 10 $8,000.00

M3 0.069 $39,600.00

M 5 $4,000.00

No. 240 $300.00

No. 10 $1,562.50

M2 1 $15,625.00

M2 2 $1,375.00

Item

M 3 $28,200.00

M2 8 $6,750.00

item 6 $4,229.00

M2 0.2 $41,000.00

M 0.5 $70,250.00

4 $55,000.00

4 $8,500.00

Kg 5 $3,600.00

m2

m2

7.6 $10,000.00

1.5 $58,000.00

4 $1,375.00

1.5 $7,000.00

8 $7,100.00

$20,854,880.00

m2

m3

m2

m2

m2

ADDITION OMISSION

TOTAL QUNTITY RATE TOTAL

-

-

-

-

-

-

-

$50,000.00

432000.00

46800.00

111360.00

$150,000.00

70.00 11000 $770,000.00

$600,000.00

192.00 1000.00 $192,000.00

$300,000.00

$650,000.00

78510.00

70000.00

100000.00

490000.00

$19,375.00

$20,000.00

$ 300,000.00

$ 64,750.00

$ 80,000.00

$ 2,732.40

$ 20,000.00

$ 72,000.00

$ 15,625.00

$ 15,625.00

$ 2,750.00

$ 84,600.00

$ 54,000.00

$ 25,374.00

$ 8,200.00

$ 35,125.00

$ 220,000.00

$ 34,000.00

$ 18,000.00

$ 76,000.00

$ 87,000.00

$ 5,500.00

$ 10,500.00

$ 56,800.00

$2,656,626.40 $2,712,000.00

A

B

C

D

E

F

G

H

J

A

B

C

D

E

F

G

H

A

B

C

D

E

A

B

C

D

E

F

G

H

J

K

A

B

C

D

E

F

A

B

C

3

4

5

6

7

8

REPAIR TO PILE CAPS

BILL NO. 3

Pile Caps

Repair to Pile Caps on Grid Lines B, C and E

Kg

PS

Repair to Pile Caps on Grid Lines B, CD, , E, N, P and V

m

no.

Complete repairs as outlined to Pile Caps and concrete pile muff protection over water depth between 1m and 6m


m2


m2



m2


m3



m2



REPAIR TO PILE CAPSBILL NO. 4

Repairs to Deck Support Beams

no.

no.

Supply and install wrought fromwork to soffit and side of beam.

no.

PS

TOTAL BILL NO. 4 - REPAIRS TO DECK SUPPORT BEAMS

REPAIR TO PILE CAPS

BILL NO. 5

Painting and Protective Coatings

TOTAL BILL NO. 3 - REPAIRS TO PILE CAP carried to summary

Repair/Reinstatement of damage to Precast Double Tees on Grid Lines 5, 6, 7 & 8




m2

m2


m3


m2



Alternative (Rate Only)

Apply shot crete or build up concrete having a 28 day cube strength of 30 Mpa to complete beam repair around reinforcement tendons inclusive of final surface render finish.

m3

item

PS


BILL NO. 6DEMOLITION AND ALTERATION

m

Cart away spoil SUM

PRE-CAST REINFORCED CONCRETE

Reinforced Concrete 4500 PSI in:

Precast Reinforced Concrete Beam fixed to top of piles as per drawing Cub. M

Allow for the installation of protective drop cloth or equivalent method to facilitate the collection of sand and debris at each location resulting from the sandblasting of the concrete surface (measured seperately)


m2


m2


m2


TOTAL BILL NO. 5 - PAINTING & PROTECTIVE COATINGS carried to summary

The demolition of existing in-situ slab between centre lines 3-4 and A-B . The removal and replacement of two "L" -shaped beams and repair one pile cap at 3B.

Carefully remove following damaged concrete section of pier inclusive of all false work and safety measures


m2


This section covers the replacement of 2 No. Pre-cast reinforced concrete beam and in-situ 200mm concrete slab. Prices should include for all costs involved in order to fulfill every requirement of the design specification and any particular site conditio

Steel Reinforcement

10 mm diameter Mild steel rod reinforced Kg.

16 mm diameter high tensile rod reinforced Kg.


Formwork and support to:-

Side of beam Sq. M

Ditto bottom of beam Sq. M

PS


BILL NO. 7

Include the PROVISIONAL SUM of $650,000.00 for Contingencies to be used

as directed by the Engineer and to be deducted in whole or in part if not

required:-

TOTAL BILL NO. 6 - REPAIR TO DAMAGED T PIER carried to summary

IN-SITU REINFORCED CONCRETE

Reinforced Concrete Pile Cap

Pile Cap - Concrete 431 M.Pa Cub. M

12 mm diameter mild steel rod reinforced Kg.


Sides of pile cap Sq. M

In-situ Reinforced Concrete Slab

Cub. M

10 mm diameter mild steel rod reinforced Kg.

200 mm thick slab laid on Pre-Cast slab (measured seperately) finished with broom finish.

TOTAL BILL NO. 7 - IN-SITU REINFORCED CONCRETE carried to summary


BILL NO. 8

SHORE PROTECTION - BOULDERS

Cub. M

Ditto with boulder 0.3m - 0.8m diameter ( Provisional) Cub. M

Cub. M

To supply material , labour to place boulders 0.9m and 1.2m in diameter as rock armouring to shoreline in accordance with specifications (Provisional)

Carefully reclaim boulders(0.9m and 1.2m in diameter) from seabed in a depth of water not exceeding 1.5m for repacking in rock armouring (Provisional)

SUMMARY

PRELIMINARIES

Bill No.1 - FIXED PRELIMINARIES

Bill No.2 - TIME DEPENDENT PRELIMINARIES

TOTAL BILL NO. 8 - SHORE PROTECTION - BOULDERS carried to summary

REPAIRS TO PILE CAPS

Bill No.3 - REPAIRS TO PILE CAPS

Bill No.4 - REPAIRS TO DECK SUPPORT BEAMS

Bill No.5 - PAINTING & PROTECTIVE COATINGS


Bill No.6 - DEMOLITION AND ALTERATION

Bill No.7 - IN-SITU REINFORCED CONCRETE

Bill No.8 - SHORE PROTECTION - BOULDERS

GRAND TOTAL

PRELIMINARIES

REPAIRS TO PILE CAPS


GRAND TOTAL - TO STANDARD FORM: CONTRACTORS BID

D&S

20,500.00 82,000.00 130,600.00 560,000.00 48600.00

15,900.00 63,600.00 18,500.00 34,000.00 (45100.00)

16,000.00 480,000.00 18,750.00 108,000.00 (461250.00)

15,000.00 60,000.00 58,000.00 52,000.00 (2000.00)

48,000.00 28,800.00 25,500.00 34,800.00 (3300.00)

150,000.00 150,000.00 150,000.00 0.00

15,500.00 62,000.00 136,840.00 8,000.00 74840.00

3,500.00 350,000.00 155,000.00 1,100,000.00 (195000.00)

120,000.00 240,000.00 125,040.00 224,000.00 (114960.00)

1,516,400.00 818,230.00 2,270,800.00 (698170.00)

100000 800,000.00 494,560.00 1,880,000.00 (305440.00)

15,500.00 124,000.00 386,600.00 252,000.00 262600.00

10,900.00 392,400.00 189,540.00 306,000.00 (202860.00)

15,000.00 1,260,000.00 1,218,000.00 1,092,000.00 (42000.00)

48,000.00 144,000.00 127,500.00 174,000.00 (16500.00)

15,500.00 651,000.00 1,436,820.00 84,000.00 785820.00

60,000.00 480,000.00 494,560.00 400,000.00 14560.00

600,000.00 600,000.00 600,000.00

- 750,000.00 750000.00

4,451,400.00 5,697,580.00 4,788,000.00 1246180.00

350,000.00 550,000.00 100,000.00 200000.00

8,900.00 1,708,800.00 630,720.00 1,632,000.00 (1078080.00)

3,500.00 672,000.00 680,064.00 1,363,200.00 8064.00

2,500.00 480,000.00 893,760.00 192,000.00 413760.00

300,000.00 300,000.00 300,000.00

3,510,800.00 3,054,544.00 3,587,200.00 (456256.00)

80,000.00 1,850,000.00 100,000.00 1770000.00

53,000.00 587,250.00 621,000.00 534250.00

10,000.00 245,000.00 100,000.00 235000.00

31,250.00 93,750.00 165,000.00 720,000.00 71250.00

82.00 34,030.00 134,875.00 107,900.00 100845.00

82.00 26,404.00 123,970.00 96,600.00 97566.00

82.00 54,120.00 254,100.00 231,000.00 199980.00

300.00 6,900.00 241,500.00 92,000.00 234600.00

300.00 1,800.00 87,000.00 18,000.00 85200.00

650,000.00 650,000.00 650,000.00

1,010,004.00 4,338,695.00 2,736,500.00 3328691.00

26,500.00 7,950.00 16,500.00 11,400.00 8550.00

82.00 1,722.00 6,825.00 6,300.00 5103.00

82.00 7,954.00 37,345.00 31,040.00 29391.00

3,300.00 6,600.00 21,000.00 26,000.00 14400.00

26,500.00 212,000.00 440,000.00 264,000.00 228000.00

82.00 42,148.00 167,050.00 133,640.00 124902.00

278,374.00 688,720.00 472,380.00 410346.00

4,000.00 2,400,000.00 6,900,000.00 3,000,000.00 4500000.00

3,800.00 152,000.00 460,000.00 200,000.00 308000.00

1,500.00 120,000.00 600,000.00 320,000.00 480000.00

2,672,000.00 7,960,000.00 3,520,000.00 5288000.00

3,900,000.00 15,056,100.00 2,810,000.00 11156100.00

1,942,500.00 6,306,300.00 620,000.00 4363800.00

1,516,400.00 818,230.00 2,270,800.00 (698170.00)

4,451,400.00 5,697,580.00 4,788,000.00 1246180.00

3,510,800.00 3,054,544.00 3,587,200.00 (456256.00)

1,010,004.00 4,338,695.00 2,736,500.00 3328691.00

278,374.00 688,720.00 472,380.00 410346.00

2,672,000.00 7,960,000.00 3,520,000.00 5288000.00

19,281,478.00 43,920,169.00 20,804,880.00 24638691.00

5,842,500.00 21,362,400.00 3,430,000.00 15519900.00

9,478,600.00 9,570,354.00 10,646,000.00 91754.00

3,960,378.00 12,987,415.00 6,728,880.00 9027037.00

19,281,478.00 43,920,169.00 20,804,880.00 24638691.00

P&S

478000.00

(29600.00)

(372000.00)

(8000.00)

6000.00

0.00

(54000.00)

750000.00

(16000.00)

754400.00

1080000.00

128000.00

(86400.00)

(168000.00)

30000.00

(567000.00)

(80000.00)

336600.00

(250000.00)

(76800.00)

691200.00

(288000.00)

76400.00

20000.00

568000.00

90000.00

626250.00

73870.00

70196.00

176880.00

85100.00

16200.00

1726496.00

3450.00

4578.00

23086.00

19400.00

52000.00

91492.00

194006.00

600000.00

48000.00

200000.00

848000.00

(1090000.00)

(1322500.00)

754400.00

336600.00

76400.00

1726496.00

194006.00

848000.00

1523402.00

(2412500.00)

1167400.00

2768502.00

1523402.00

SELECTED RATES- T-PIER REPAIRS

Description unit Engineer's Est Diving & Salvage

m² 3200 74,000.0 4,000.0

m 3926 43,500.0 46,000.0

10 mm diameter Mild steel rod reinforced kg 220 325.0 260.0

16 mm diameter high tensile rod reinforced kg 220 385.0 300.0

25 mm diameter high tensile rod reinforced kg 220 385.0 350.0

Formwork and support

Side of beam Sq. M 3000 10,500.0 4,000.0

Bottom of beam Sq. M 3000 14,500.0 3,000.0

200 mm thick slab laid on Pre-Cast slab (measured seperately) finished with broom finish. m³ 26500 55,000.0 33,000.0

PERCENTAGE DIFFERENCE BETWEEN THE TENDERED RATES AND THE ENG.'S ESTIMATE


m² 3200 2212.5% 25.0%

m 3926 1008.0% 1071.7%

10 mm diameter Mild steel rod reinforced kg 220 47.7% 18.2%

16 mm diameter high tensile rod reinforced kg 220 75.0% 36.4%

25 mm diameter high tensile rod reinforced kg 220 75.0% 59.1%


Side of beam Sq. M 3000 250.0% 33.3%

Bottom of beam Sq. M 3000 383.3% 0.0%

200 mm thick slab laid on Pre-Cast slab (measured seperately) finished with broom finish. m³ 26500 107.5% 24.5%

TENDERED AMOUNT COMPARED WITH THE ENG.'S ESTIMATE FOR SELECTED ITEMS.


m² 80,000.00 $1,850,000.0 $100,000.0

m 53,000.00 $5,872.5 $621,000.00

10 mm diameter Mild steel rod reinforced kg 91,300.00 $134,875.0 $107,900.0

16 mm diameter high tensile rod reinforced kg 70,840.00 $123,970.0 $96,000.0

25 mm diameter high tensile rod reinforcedkg 145,200.00 $254,100.0 $231,000.0


Side of beam Sq. M 69,000.00 $241,500.0 $92,000.0

Bottom of beam Sq. M 18,000.00 $87,000.0 $18,000.0

200 mm thick slab laid on Pre-Cast slab (measured seperately) finished with broom finish. m³ 256,000.00 $440,000.0 $264,000.0

Pavement & Structures









SELECTED TASKS- %DIFF. BETWEEN ENG.'S EST. AND BID AMOUNT

Description unit

20,500.00 32,650.00 140,000.00

15,900.00 4,625.00 8,500.00

kg 16,000.00 625.00 3,600.00

15,000.00 14,500.00 13,000.00

48,000.00 42,500.00 58,000.00

15,500.00 34,210.00 2,000.00

m 3,500.00 1,550.00 11,000.00

no 120,000.00 62,520.00 112,000.00

no 100,000.00 61,820.00 235,000.00

no 15,500.00 48,325.00 31,500.00

10,900.00 5,265.00 8,500.00

Supply and install wrought fromwork to soffit and side of beam. 15,000.00 14,500.00 13,000.00

48,000.00 42,500.00 58,000.00

15,500.00 34,210.00 2,000.00

no 60,000.00 61,820.00 50,000.00

Item 350,000.00 550,000.00 100,000.00

8,900.00 3,285.00 8,500.00

3,500.00 3,542.00 7,100.00

2,500.00 4,655.00 1,000.00

Engineer's Est

Diving & Salvage



m²

Allow for cleaning of rebars with wet sand blasting, high pressure potable water jet and mechanical cleaning to White Metal (SSPC-SP5) (NACE1). (Corroded portion of rebar exposed to damaged face of pile caps) m²


Supply and install wrought formwork to soffit and sides of pile cap. (for minimum concrete thickness of 150mm) inclusive of supports and bracing and striking on completion m²

Place design concrete mix containing chloride inhibitors and super plastisizers having a 28 day cube strength of 30 Mpa m³

Allow for the application of repair mortor to surface of repaired concrete beam to seal and close any cracks which may appear. m²






m²

m²


m³


m²


Allow for the installation of protective drop cloth or equivalent method to facilitate the collection of sand and debris at each location resulting from the sandblasting of the concrete surface


m²


m²


m²

Description unit

82,000.00 59.27%

m² 63,600.00 -70.91%

kg 480,000.00 -96.09%

m³ 28,800.00 -11.46%

m² 62,000.00 120.71%

m 350,000.00 -55.71%

no 240,000.00 -47.90%

no 800,000.00 -38.18%

no 124,000.00 211.77%

m² 392,400.00 -51.70%

Item 350,000.00 57.14%

m² 1,708,800.00 -63.09%

m² 480,000.00 86.20%

Engineer's Est

Diving & Salvage

% DIFF. BETWEEN ENGINEER'S EST. & BID SUM


m²Allow for cleaning of rebars with wet sand blasting, high pressure potable water jet and mechanical cleaning to White Metal (SSPC-SP5) (NACE1). (Corroded portion of rebar exposed to damaged face of pile caps)









Allow for the installation of protective drop cloth or equivalent method to facilitate the collection of sand and debris at each location resulting from the sandblasting of the concrete surface



CONTRACT

ITEM DESCRIPTION QUANTITY UNIT

CONTRACT SUM

REMEASURED WORKS - All rates are as per contract

BILL NO. 3 - Pile CapsC

30 KG

D

4 M2

E0.8 M3

VARIATIONS

VARIATION No. 1


24 No.

removespalling concrete from additional t-pier cap 0.5 M3

VARIATION No. 2


5 no.

70 M

Apply Nitobond to deck support beamITEM





additional work to widen Gate as Directed Sum

VARIATION No. 3

Repair to Stem of Deck BeamsAllow for relocating the pantoon between span of pile clusters. 8 item

A7 M2

B10 M

C0.069 M3

D5 M

E

240 No.


A10 No.

B 1 M2

C To apply Nitobond SBR as bonding agent to deck beams 2 M2

D

Remove delaminated and spalling concrete to a depth ( > 10 MM) so as to expose reinforcement and clean with potable

water .

Allow for cleaning of rebars with wire brush to remove all corrosion and wash with potable water. (Corroded portion

of rebar exposed to damaged face of stem)

Place design masonary repair concrete such Renderoc HB (or similar product approved by the Engineer) to a thickiness no

less than 12mm

Chase cracks to minimum depth fo 12mm and 30 mm wide; repair with approved masonary repair concrete such Renderoc

(or similar product approved by the Engineer)

Allow for removing concrete from defective area (0.07 sq. m) of beam stem, clean rebars with wire brush to remove all corrosion

and treat with zinc chromate. Repair using Renderoc HB (Corroded portion of rebar exposed to damaged face of stem).

apply Nitobond SBR as per manufacturer's specification.

Remove 0.2 m2 delaminated and spalling concrete to a minimum depth of 12mm so as to expose rebars of the soffit of deck

beam.


Place design masonary repair concrete such Renderoc HB ( similar product approved by the Engineer) to a thickiness no

less than 12mm

Repairs to Pile Cap

A3 M

B 8 M2

C 6 item

D 0.2 M2

E

0.5 M

VARIATION No. 4

A 4

B 4

C 5 Kg

D 7.6

Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary repair concrete such as

Renderoc (or similar product approved by the Engineer)




Effect repairs to one corner ( 1M X1MX 0.5M) of a a pile cap, remove spalling concrete, clean corrosion from bars using wire

brush , treat with zinc chromate , shuttering and apply apply deisgn concrete with chloride inhibitor of design strength no less

than 30 Mpa.



m2


m2



m2

E 1.5

F Allow for Nitobond as per Manufacture's Instructions 4

G 1.5

H 8

OMISSION


K PS


FPS

H 100 M

J

2


H PS


D192 M2

E PS

BILL NO. 6 - Repairs to Damaged T-Pier


m3

m2


m2


m2



Chase cracks to minimum depth fo 30mm by 60mm wide and repair with approved masonary repair concrete such Phoscrete supplied by PowerGen Limited (or similar product approved by the Engineer)Clean during low tide exposed concrete and steel reinforcement to 2no. Pile Head supporting Pile Cap D appox 0.4 x 0.45m x 2no at splash zone by water blasting with potable water and apply layers of phoscrete concrete as per manufacturer instruction to ac




H PS

Summary


REMEASURED WORKS $590,160.00

VARIATIONS $2,082,866.40

OMISSION ($2,886,001.20)

GRAND TOTAL $20,641,905.20


OMISSION ADDITIONAL

RATE QUANTITY TOTAL RATE QUANTITY TOTAL

$20,854,880.00

$3,600.00 $120.00 $432,000.00

$13,000.00 $3.60 $46,800.00

$58,000.00 $1.92 $111,360.00

SUB-TOTAL $590,160.00

Eng. Estimate @ $2,900.00 $3,271.25 $78,510.00

Rate is as per BQ/6 - ITEM A $140,000.00 $70,000.00

Eng. Estimate @ $18,500.00 $20,000.00 $100,000.00

Eng. Estimate @ $7,700.00 $7,000.00 $490,000.00

Eng. Estimate @ $17,000.00 $19,375.00

Eng. Estimate @ $ 20,000.00 $20,000.00

Eng. Estimate @ $ 32,500.00 $37,500.00 $300,000.00

Eng. Estimate @ $ 14,000.00 $9,250.00 $64,750.00

Rate in the contract is $8,500.00 $8,000.00 $80,000.00

Eng. Estimate @ $ 49,000.00 $39,600.00 $2,732.40

Eng. Estimate @ $2,700.00 $4,000.00 $20,000.00

Eng. Estimate @ $287.00 $300.00 $72,000.00

Eng. Estimate @ $1,600.00 $1,562.50 $15,625.00

Eng. Estimate @ $11,900.00 $15,625.00 $15,625.00

Eng. Estimate @ $3,500.00 $1,375.00 $2,750.00

Eng. Estimate @ $17,680.00 Item $16,400.00

Eng. Estimate @ $11,000.00 $28,200.00 $84,600.00

Eng. Estimate @ $20,000.00 $6,750.00 $54,000.00

Eng. Estimate @ $2,500.00 $4,229.00 $25,374.00

Eng. Estimate @ $49,000.00 $41,000.00 $8,200.00

Eng. Estimate @ $80,000.00 $70,250.00 $35,125.00

Eng. Estimate @ $47,000.00 $55,000.00 $220,000.00

Rate is as per BQ/6 Item B $8,500.00 $34,000.00


Eng. Estimate @ $13,000.00 $10,000.00 $76,000.00

Rate is as per BQ/6 Item E $58,000.00 $87,000.00

Eng. Estimate @ $1,400.00 $1,375.00 $5,500.00

Eng. Estimate @ $7,700.00 $7,000.00 $10,500.00


SUB-TOTAL $2,082,866.40

$50,000.00

$150,000.00

$11,000.00 70.00 $770,000.00

$112,000.00 2.00 $224,000.00

$600,000.00

$1,000.00 192.00 $192,000.00

$300,000.00

600,000.00

SUB-TOTAL $2,886,001.20 $2,673,026.40

COMMENT

Discrepancies were identified and rate negotiate down

Discrepancies were identified and rate negotiated down

Item not originally included in the contract but revised spec related new rate.

Rate was negotiate down and agreed on

$2,165,226.40$5,772,001.20

The Eng. Est. is based on a figure in the contract, however the contractor revised the rate up.

The Eng. Est. is based on a Pro-rated figure already in the contract, however the contractor revised the rate down.

-$3,606,774.80

-$212,974.80

-$2,956,774.80

-$212,974.80

VARIATION 1

TASK PAJ PSLSTEEL $9,500.00 $11,185.00DRILL BIT $28,000.00 $28,000.00EPOXY $10,668.28 $12,000.00HAMMER DRILL $3,088.09 $4,000.00GENERATOR $4,019.81 $5,000.00CHOP SAW $1,828.05 $2,000.00MASON $4,500.00 $5,000.00LABOURER $3,125.00 $3,125.00DISPENSING KIT $5,054.14 $6,000.00TRANSPORTATION $2,000.00 $2,200.00

$71,783.38 $78,510.00rate for each dowel $2,990.97 $3,271.25

TO REMOVE DAMAGED WEDGES OF FOUR PILE CAPS OF THE T-PIER AND MAKE GOOD

TASK PAJ PSLBOAT $50,000.00HILTI HAMMER $10,000.00GENERATOR $10,000.00FALSEWORK $10,000.00LABOURER $10,000.00

$90,000.00

VARIATION 2

TO APPLY BONDING AGENT (NITOBOND SBR) TO MAIN PIER DECK

TASK PAJ PSLLABOURERS $12,500.00 $25,000.00BRUSHES $1,875.00 $1,875.00CEMENT $3,000.00 $3,000.00TRANSPORT $2,000.00 $2,000.00

$19,375.00 $31,875.00

DOWELLING INTO EXISTING IN-SITU SLAB USING 1" HT REBARS 2'-0 IN LENGTH AND AFFIXED WITH E22 EPOXY

The BQ rate was used as a

basis.

TO REPLACE DISPLACE BARRIER OF THE T-PIER

TASK PAJ PSLGENERATOR $4,600.00 $5,000.00HILTI HAMMER $4,600.00 $5,000.00CHOP SAW $1,725.00 $2,000.00EPOSY $3,450.00 $5,250.006" PVC $23,032.50 $22,023.405/8" REBAR $3,277.50 $3,343.202"X8"X14' LUMBER $10,120.00 $17,913.00BOLTSAND NUTS $4,370.00 $6,596.80PAINT & PAINTER $19,550.00 $19,123.60TRANSPORTATION $4,025.00 $7,500.00LABOURERS $6,250.00 $6,250.00

$85,000.00 $100,000.00

Orcst - Variation and Final Acc1

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