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Re-Evaluation of BoQ Rates

This document summarizes the Bill of Quantities for the North Pemba Rural Roads Project. It shows the original and revised quantities, rates, and total amounts for various construction items. Some key details include: - The total original contract amount was TShs 38,247,730,180 - As of the completion statement, the total amount certified to date was TShs 32,479,630,674 - There were significant reductions in quantities and amounts for several excavation, backfilling, and concrete works items - The current application amount is TShs 398,296,426, with the largest portions from works on roads NPRR-04 and NPRR-05

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0% found this document useful (0 votes)
284 views3 pages

Re-Evaluation of BoQ Rates

This document summarizes the Bill of Quantities for the North Pemba Rural Roads Project. It shows the original and revised quantities, rates, and total amounts for various construction items. Some key details include: - The total original contract amount was TShs 38,247,730,180 - As of the completion statement, the total amount certified to date was TShs 32,479,630,674 - There were significant reductions in quantities and amounts for several excavation, backfilling, and concrete works items - The current application amount is TShs 398,296,426, with the largest portions from works on roads NPRR-04 and NPRR-05

Uploaded by

Martin
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
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Bill of Quantities

Item Description Unit Total BoQ Total Change %tage of %tage Rate (TShs) Total BoQ Amount Total Revised Amount Difference in BoQ %tage of
Quantity Revised in Qty BoQ Qty change in (TShs) (TShs) Amount (TShs) Contract
Quantity Qty Amount

21.01 Excavation for open drains:


(a) Excavating soft material situated within the following depth
ranges below the surface level:
(i) 0.5 m up to 1.5 m m3 23,560 9,006 14,554 38.23% -61.77% 17,855.00 420,663,800.00 160,804,306.70 (259,859,493.30) -0.68%
(ii) Exceeding 1.5 m and up to 3.0 m m3 7,068 3,295 3,773 46.62% -53.38% 25,335.00 179,067,780.00 83,480,091.75 (95,587,688.25) -0.25%

22.01 Excavation:
(a) Excavating soft material situated within the following depth
ranges below the surface level:
(ii) Exceeding 1.5 m and up to 3.0 m m3 6,801 167 6,634 2.46% -97.54% 18,396.00 125,111,196.00 3,076,553.94 (122,034,642.06) -0.32%

22.02 Backfilling:
(b) Using imported selected material m3 10,791 1,146 9,645 10.62% -89.38% 44,963.00 485,195,733.00 51,531,643.76 (433,664,089.24) -1.13%

22.07 Cast in situ concrete and form work:


(a) In Class A bedding, screeds and the encasing for pipes,
including formwork, (concrete class 20/20 surround to pipe
culverts)
(ii) encasing for pipes, class 20 m3 813 - 0.00% -100.00% 438,563.00 356,551,719.00 - (356,551,719.00) -0.93%
(iii) Head, Wing walls & Apron class 25 m3 445 976 (531) 219.24% 119.24% 549,200.00 244,394,000.00 535,797,548.55 291,403,548.55 0.76%

(a) Cast in situ concrete chutes in class 20/20 concrete as shown m 297 689 (392) 232.05% 132.05% 498,368.00 148,015,296.00 343,465,258.24 195,449,962.24 0.51%
on Drawing

SS23.11 Cast insitu concrete slab class 25/20 for access to property m3 1,057 712 345 67.35% -32.65% 548,205.00 579,452,685.00 390,252,063.86 (189,200,621.14) -0.49%

23.12 Steel reinforcement for concrete slab:


(b) High tensile steel bars t 80 44 36 54.56% -45.44% 3,143,897.00 251,511,760.00 137,217,681.62 (114,294,078.38) -0.30%

36.01 Excavations:
(b) Rock excavation m3 3,398 106 3,292 3.13% -96.87% 30,277.00 102,881,246.00 3,215,916.97 (99,665,329.03) -0.26%

SS36.03 Side fill on embankment slopes using material excavated from m3 14,400 - 14,400 0.00% -100.00% 22,835.00 328,824,000.00 - (328,824,000.00) -0.86%
locations with expansive soils

37.04 Maintenance of existing gravel roads (on mobilization):


(a) Shaping existing gravel roads without scarification of the m2 280,800 230,555 50,245 82.11% -17.89% 1,987.00 557,949,600.00 458,112,049.81 (99,837,550.19) -0.26%
surface

45.03 Aggregate variations:


(a) 20mm nominal size aggregate m³ 1,440 - 1,440 0.00% -100.00% 118,995.00 171,352,800.00 - (171,352,800.00) -0.45%
(c) 10mm nominal size aggregate m³ 1,020 (153) 1,173 -15.02% -115.02% 118,995.00 121,374,900.00 (18,235,037.74) (139,609,937.74) -0.37%

SS54.01 Road Signs (Warning, regulatory and Information)


(d) Triangular Regulatory and warning: side length 1200 mm no 356 207 149 58.15% -41.85% 814,025.00 289,792,900.00 168,503,175.00 (121,289,725.00) -0.32%

Total SERIES 5000: Ancillary Roadwork’s carried to 4,362,139,415.00 2,317,221,252.47 (2,044,918,162.53)


Summary

North Pemba rural Roads Project 184


Bill of Quantities- Summary

SUMMARY OF BILL OF QUANTITIES


STATEMENT AT COMPLETION
UPGRADING OF NORTH PEMBA RURAL ROADS (35 KM) TO BITUMEN STANDARD: Contract Number: MCA-T/CB/COM/108/685
Item Description Amount (TShs.) Total Amount to Date Previous Certificate Amount This Application
(Tshs.) Amount (Tshs.) (Tshs.)

A B A-B
Bill A General 4,552,579,285.00 4,457,378,289.52 4,408,796,068.52 48,582,221.00

Bill B NPRR-01, Kipangani - Kangagani 2,688,775,804.00 2,082,381,900.00 2,065,521,064.00 16,860,836.00

Bill C NPRR-02, Chwale - Likoni 1,755,175,902.00 1,510,573,231.00 1,493,783,414.00 16,789,817.00

Bill D NPRR-03, Mazambarauni Takao-Pandani-Finya 6,971,713,232.00 6,323,423,790.00 6,263,920,331.00 59,503,459.00

Bill E NPRR-04, Mazambarauni Karim - Finya - Mapofu 7,769,881,825.00 6,703,236,946.00 6,649,571,493.00 53,665,453.00

Bill F NPRR-05, Bahanasa-Daya-Mtambwe 14,049,429,232.00 11,383,496,835.00 11,180,602,195.00 202,894,640.00

Bill G TOLERANCES, Testing and Quality Control (Provisional) 19,800,000.00 1,387,100.00 1,387,100.00 -

Bill H Dayworks (Provisional) 440,374,900.00 17,752,582.45 17,752,582.45 -

(A) Sub-total of Bills 38,247,730,180.00 32,479,630,674.00 32,081,334,248.00 398,296,426.00


(B) Variations/Claims
1 Variation order No. 1 - Provision of Additional Softwares to Engineer's Office 18,172,200.00 18,172,200.00 18,172,200.00 -
Variation order No. 2 - Double seal surface dressing on the shoulders in lieu of single seal
2 384,078,640.00 - - -
surface dressing
3 Variation order No. 3 - Revision of rate of cement used in stabilised layers 201,282,548.00 201,282,548.00 201,282,548.00 -
4 Variation order No. 4 - Revision of stone pitching rate 313,223,732.00 313,223,732.00 313,223,732.00 -
5 Variation order No. 5 - Construction of ramp along road No. 2 78,306,544.00 78,306,544.00 78,306,544.00 -
6 Variation order No. 6 - Construction of the Troxler Gauge House in RE Camp - 5,280,930.00 5,280,930.00 -
7 Variation order No. 7 - Provision of PVC service ducts - 153,393,427.00 153,393,427.00 -
8 Variation order No. 8 - Installation of MCC signboards (12 No.) 33,456,473.00 33,456,473.00 33,456,473.00 -
9 Contractor's claim No. 1 to DAB - Maintenance 88,116,177.96 1,849,500.00 1,849,500.00 -
10 Contractor's claim No. 2 to DAB - Increase in wages 163,021,761.69 30,850,079.00 30,850,079.00 -
11 Contractor's claim No. 3 to DAB - Extension of time 5,488,427,484.83 - - -
12 Contractor's claim on increase in labour costs (Second submission to RE) 78,068,169.00 22,337,244.00 22,337,244.00 -
13 Reimbursement of Levies on Fuel 61,800,080.00 - - -
14 Overtime Payments to RE Staff 48,282,148.00 - - -

Grand Total 45,203,966,138.48 33,337,783,351.00 32,939,486,925.00 398,296,426.00


Signature.............................. Signature..............................
Date.............................. Date..............................
Resident Engineer Contractor Representative

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