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ROYAL GOVERNMENT OF BHUTAN MINISTRY OF WORKS & HUMAN SETTLEMENT

DEPARTMENT OF ENGINEERING SERVICES

DESIGN OF FLYOVER (INTEGRATED CHECK POST) AT

RINCHENDEING, PHUENTSHOLING

BILL OF QUANTITIES

DATE January, 2016

Department of Engineering Services

Bill of Quantities (BoQ)

A. PREAMBLE

1. The Bill of Quantities shall be read in conjunction with the Instructions to Bidders, Conditions of Contract, Technical Specifications, and Drawings.

2. The quantities given in the Bill of Quantities are estimated and provisional, and are given to provide a common basis for bidding. The basis of payment will be the actual quantities of work ordered and

carried out, as measured by the Contractor and the Engineer jointly and valued at the rates and prices tendered in the priced Bill of Quantities, where applicable, and otherwise at such rates and prices as the Engineer may fix within the terms of the Contract.

3. The rates and prices tendered in the priced Bill of Quantities shall, except as otherwise provided under the Contract, include all construction plant, labor, supervision, materials, erection, maintenance,

insurance, profit, taxes and duties, together with all general risks, liabilities and obligations set out or implied in the Contract.

4. The rates and prices shall be quoted entirely in Ngultrum.

5. A rate or price shall be entered against each item in the Bill of Quantities, whether quantities are stated or not. The cost of Items against which the Contractor has failed to enter a rate or price shall be deemed to be covered by other rates and prices entered in the Bill of Quantities.

6. The whole cost of complying with the provisions of the Contract shall be included in the items provided in the priced Bill of Quantities, and where no Items are provided the cost shall be deemed to be distributed among the rates and prices entered for the related Items of Work.

7. General directions and descriptions of work and materials are not necessarily repeated or summarized

in the Bill of Quantities. References to the relevant sections (Technical Specification & drawing) of the contract documentation shall be made before entering rates or prices against each item in the Bill of Quantities.

8. Provisional Sums included and so designated in the Bill of Quantities shall be expended in whole or in part at the direction and discretion of the Engineer in accordance with the Conditions of Contract.

9. The method of measurement of completed work for payment shall be in accordance with the provisions in Specifications for Building and Road Works –2013 of Department of Engineering Services, Ministry

of Works and Human Settlement shall apply.

• All items of work specified and/or shown on the drawings shall be valued by the measurement of such items as included in the Bills of Quantities, which items shall cover all costs incurred by the Contractor in fulfillment of his obligations under the Contract.

• The net measurement or weight of the finished work in place will always be taken, and, except where otherwise stated, or where separate items are provided, no allowance will be made for cutting, wastage, working space, overlaps, circular work etc., and no deductions will be made for grout nicks, rounded arises, bulking or shrinkage and the like.


• Payment will be made for only those materials, which are installed in the permanent works to the approval of the Engineer. Construction materials supplied and delivered to the site by the Contractor which become surplus to the above requirements shall become the property of the Contractor who shall reimburse the Employer any advance money that was paid to the Contractor for the supply and delivery to the site of the surplus materials.

10. Errors will be corrected by the Employer for any arithmetic errors pursuant to the Instructions to Bidders clause 27- Correction of Arithmetical Errors.

11. The Tenderer is deemed to have visited the site and fully acquainted himself as to the location of each work to be carried out and to all conditions which may affect the performance of the works, including but not limited to:

• Access to site.

• Access for the plant, equipment and materials.

• Availability of associated services including water supply, electricity supply etc.

• Restrictions applicable to working in Highways.

• All safety regulations and employer site safety procedures.

• Reinstatement of areas that would be used/disturbed during construction

• Type of material to be excavated -Soil report is included as part of the bidding document for bidders’ reference. The soil study report shows composition of soil and weathered rock that can be extracted by ripping with a single heavy-duty ripper of 150 HP brake capacity and is classified to fall under all kinds of soil. Rock is not considered in this contract as the material that is to be excavated do not require blasting, or the use of metal wedges and sledgehammers, or the use of compressed air drilling for their removal. However, in the opinion of the bidder if there is presence of rock within the excavation area, bidders should make its allowance into the rate for earth cutting. No extra payment will be allowed by the Employer for this deviation.

12. All costs of labor, works, provisions, materials and equipment for Site Installations required by the Contractor and stipulated in the Tender Documents shall be included in the various unit prices of the

Bill of Quantities. No extra payment will be allowed by the Employer for any of these activities.

13. The contractor will also be responsible for any defect that may result from his work and shall be corrected on his own cost.

14. The rates and prices entered in the Bill of Quantities shall be full compensation for completed work and shall have taken full account of all requirements and obligations, covered by all parts of the contract, including but not limited to, the following, unless expressly stated otherwise:

• All setting out and survey works including Pre and Post Construction Surveys.

• All additional site surveys and investigations, preparation of field amendment drawings and shop drawings.

• Mobilization and Demobilization of labor, all construction plant and equipment.

• Establishment, Maintenance and Removal of all temporary facilities (Contractors and/or Engineers) including offices, workshops, houses, labor camps construction and storage yards, Laboratory facilities & Equipment, Transport for staff & labor etc.

• Labor and all costs in connection therewith, including but not limited to social charges.

• The supply of material and goods, storage and costs in connection therewith including delivery to site and handling material within the site.

• Construction Plant & Equipment and all costs in connection therewith.

• Fixing, erecting and installing or placing of materials and goods in position, including usual auxiliary material etc.

• Temporary Works.


• Complying with any limitations and constraints on the use of the site including maintenance of access to households and other users, maintenance of existing roads, waterways etc.

• Dealing with the existing flow of water from any source including wave action, groundwater, surface flow and the like.

• General obligations, liabilities and risks involved in the execution of the Works set forth or reasonably implied in the documents on which the tender is based.

• Overheads and profit.

• Waste of materials.

• Performing all sampling and testing which are required to be carried out by the Contractor, and supplying results of such tests.

• Coordination with Regulatory Institutes & all stake holders.

• Disposal of all waste materials.

• Assessment of the availability of construction materials in required quantity and quality.

• Complying with all requirements in Specifications and Conditions of Contract where separate items have not been provided.

• Preparation and submission of as-built drawings

15. Cost of temporary power meters, telephones, construction water shall also be taken into Contractor’s

quoted rates. Alternative power arrangement will be made by contractor without any extra payment.

16. The alignment of roads, power transmission lines, water supply line, if any, may be effected and sometimes may be routed through a different alignment. Such change in alignment or route will have to be done by Contractor as per direction of the Project Manager. Payment of the amount of work executed will be made from the provisional sum.

17. During progress of work, convenient access to adjacent premises shall be made by Contractor.

18. Contractor will be required to fix his own bench marks by connecting them with the bench marks given in the drawings. No extra payment will be made for this.

B. BOQ

The nature of this contract is measured unit price contract and the Bill of Quantities (BOQ) shall reflect this

fact. The Bill of Quantities (BOQ) is divided into six parts as following:

Division 1 – General and Site Facilities.

Division 2 – Earthworks

Division 3 – Foundation Works Division 4 – Structures

Division 5 – Incidentals and

Division 6 – Pavement Works

Division 7 – Day works

The Bill of quantities with item breakdown is as follows;


SUMMARY

REF ITEM DESCRIPTION AMOUNT (Nu.)

Division 1 General and Site Facilities

Division 2 Earthworks

Division 3 Foundation Works

Division 4 Structures

Division 5 Incidentals

Division 6 Pavement Works

Division 7 Day Works

GRAND TOTAL Nu.

Grand Total Ngultrums

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

_ _ _ _ only


Division 1 : General and Site Facilities

S.

N.

Item

Ref. Item Name Unit Unit Price Quantity Amount

1.1 TS - 1.1

Provision, Construction and Removal, as applicable,

of Temporary Roads, Structures etc. and Equipment

for the Maintenance and Protection of Traffic.

(Applicable deduction for days of noncompliance

with an Engineer’s direction for additional traffic

control requirements equals the Lump Sum tendered

divided by the construction period in days)

Lump

Sum -

1.2 TS -1.1 Maintain Temporary Structures and Equipment for

the Maintenance and Protection of Traffic Day 720

1.3 TS - 1.2

Construction of Field Office (180 square meter plinth

area) for the Engineer including all furniture and

fittings, access roads, car parking shades etc., and the

provision of water, electricity and sewerage facilities,

and the removal of the field office at the end of the

Contract.

Lump

Sum -

1.4 TS - 1.2 Maintenance, Staffing, Security and Cleaning of the

Field Office for the Engineer Month 24

1.5 TS - 1.2

Provide office equipment and consumables

(excluding furniture included in item ref. TS-1/2/1)

as per Section 6.1.2 under Particular Specification.

Month 24

1.6 TS - 1.2 Provision, Maintenance and Removal of Sign Board. Lump

Sum -

1.7 TS - 1.2

Provision and Maintenance of Survey Equipment

including miscellaneous tools and manpower

assistant.

month 24

1.8 TS - 1.2 Taking and submitting works progress photographs. Month 24

1.9 TS - 1.3

Construction of field laboratory minimum 50 Sq.m,

including providing of furniture, equipment and

services detailed in particular Specifications and the

removal from site of the laboratory, furniture and

equipment at the end of the Contract.

Lump

Sum -

1.10 TS - 1.3

Operation and maintenance of field laboratory and all

the equipment including providing a laboratory

technician and conducting the necessary test during

the entire contract period.

Month 24

1.11 TS - 1.4

Providing new, operating including experienced

driver and fuel and maintaining of Four Wheel Drive

Double Cabin Pick-up (Toyota Hilux, model - 2012

or later) or Equivalent vehicle for Engineer and

including any distance of transport, which is required

by the Engineer for the propose of contract activities.

Month 24

Sub-Total Division 1


Division 2 : Earthworks

S.

N.

Item


2.1 TS - 2.1 Clearing and grubbing as per specification. Sq.m 8,835

2.2 AS - 1 Cutting of trees including removal of stumps and

their roots and backfilling to required compaction.

a AS - 1.1 Girth from 300mm to 600mm. No. 21

b AS - 1.2 Girth from 600mm to 1200mm No. 18

c AS - 1.3 Girth above 1200mm. No. 10

2.3 AS - 2.2

Excavation for road formation in all types of soil and

existing pavement including disposal of surplus

earth/rubbish within 50m lead.

Cu. m 242

2.4 AS - 3.2

Construction of embankment with selected excavated

materials from excavation on site or borrow pit

within the road right-of-way including watering,

rolling, and dressing etc. Only the finished width at

top will be measured for payment, slope projections

will not be paid.

Cu. m 1,634

2.5 AS - 4.1

&3

Preparation of sub grade with proper camber by

excavating earth to depth equal to pavement

thickness or minimum of 450mm, consolidation with

roller, disposal of surplus earth up to 50m in all kinds

of soil and rocks

Sq.m 915



Division 3: Foundation Works

S.

N.

Item


3.1 TS - 2.3

Earthwork in excavation of foundation and back

filling with selected earth for structure including

levelling, dressing, compaction of fill etc. complete

and including disposal within 50m lead - all kinds of

soil and rocks.

Cu. m 7,990

3.2 TS - 2.3

Providing and laying levelling concrete and in

backfilling of structures in Plain Cement Concrete

(PCC) with concrete grade is C10/13 including

proper compaction. Additional PCC required to level

inaccurate or over excavation shall not be paid extra.

Cu. m 161

3.3 TS - 4.1

Providing and laying Reinforced Cement Concrete

(RCC) of grade C25/31 for abutments and piers

foundations and Retaining Walls

Cu. m 3,030

3.4 TS - 4.3

Providing and laying High Yield Strength Deformed

steel reinforcement bars (Fe500) for abutments and

piers foundation and Retaining walls including

cutting, bending, binding and placing in position

complete.

Ton 247

3.5 TS - 4.2

Providing and fixing centering and shuttering for

abutments and piers foundation and Retaining walls

including all scaffolds, props etc. required to support

the shuttering.

Sq.m 3,585



Division 4: Structures

S.

N.

Item


4.1 TS - 4.1 Providing and laying Reinforced Cement Concrete

(RCC) of grade C30/38 for Piers. Cu. m 4,545


(RCC) of grade C30/38

a In Longitudinal beams + peripheral beams as shown

in the relevant drawings Cu. m 1,260

b In Transverse beams/Girders as shown in the relevant

drawings Cu. m 475

c In Cross beams/Girders at two edges as shown in the

relevant drawings Cu. m 30

d In Box Girders as shown in the relevant drawings Cu. m 1,750


(RCC) of grade C30/38 in Deck Slab. Cu. m 1,180


(RCC) of grade C30/38 in Bearing Pedestal. Cu. m 5

4.5 TS - 4.1 Providing and fixing in position the Precast

reinforced concrete units

a median block No 1,710

4.6 TS - 4.3

Providing and laying High Yield Strength Deformed

steel reinforcement bars (Fe500) for structure

including cutting, bending, binding and placing in

position complete.

Ton 1,428

4.7 TS - 4.2

Providing and fixing centering and shuttering

including all scaffolds, props etc. required to support

the shuttering at heights, levels, lines as shown in

relevant drawings and as directed by the Engineer

a Piers stem and pier caps Sq.m 6,485

b Longitudinal Girders Sq.m 5,855

c Peripheral beams Sq.m 1,270

d Transverse Girder Sq.m 690

e Cross girders Sq.m 115

f Box Girders Sq.m 4,400

g Deck slab Sq.m 5,730

4.8 TS - 5.3 Providing and fixing of single gap type Expansion

Joints as detailed in the relevant drawings. Mtr. 74

4.9 TS - 5.1 Providing and fixing/fitting of steel reinforced

elastomeric bearings, 300 x 400 x 105mm size. No. 14

4.10 TS - 5.2

Providing and fixing/fitting to the correct line and

level, as per the relevant drawings, POT bearings as

detailed in the relevant drawings.

a Uni-directional No. 12

b Free No. 8

c Fixed No. 4



Division 5: Incidentals

S.

N.

Item


5.1 AS - 12

Providing and applying Water emulsion Road paint

as Centerline, edge line, parking bays, directional

arrows, letters and other similar marking, minimum

two coats including a cement primer coat.

Sq.m 152

5.2 AS - 17

Providing and installing of road delineator posts

fitted with lenses reflectors installed in concrete or

asphaltic surface as per the direction of Engineer.

No. 58

5.3 AS - 15

Providing and fixing of retro-reflectorized

cautionary, mandatory and informatory sign as per

IRC: 67 made of high intensity grade metal sheeting,

fixed over aluminum sheeting 1.6 mm thick

supported on a mild steel angle iron post 75mm x

1800mm high, 600 firmly fixed to the ground by

means of properly designed foundation with M15

grade cement concrete 45cm x 45cm x 60cm, 60cm

below ground level as directed by the Engineer for all

kinds, shape and size of signs.

No. 4

5.4 AS - 13

The work shall consist of construction, provision and

installation of traffic/ crash barriers at locations as

shown in the drawing or as directed by the Engineer

Mtr. 435

5.5 AS - 10

Providing & laying dry earth bedding, including light

ramming and watering and dressing complete using

selected available excavated materials as directed by

Engineer.

Cu.m 379

5.6 AS - 16

Providing and laying Bitumen felt as water proofing

membrane for the centre median including treatment

of joints for making it watertight as per the drawing

and Technical specification/direction of Engineer.

Sq.m 886

5.7 TS - 4.5

Providing and laying Drainage Spouts/drainage to

structure to the correct line, level, and dimensions

shown in the relevant drawings and as directed by the

engineer.

No. 40

5.8

Providing and laying Drainage pits as per the details

to the correct line, level, and dimensions shown in

the relevant drawings and as directed by the engineer.

No. 15

5.9 TS - 4.6

Providing and fixing of all the inserts and fittings

including dowel rods, pipes and other inserts through

reinforced concrete to the correct line, level and sizes

shown in the relevant drawings and directed by the

Engineer. The rate quoted shall be lump-sum rate for

all the inserts and fittings including all the operations

involved to accomplish the task.

Lump

Sum -

5.10 AS - 18

Providing base of Footpath including PCC 1:2:4 into

the deck channel to embed 2 Nos. – 100mm dia.

HDPE service pipes and a 8SWG GI pull wire in

each pipe, that are secure to position as detailed in

the relevant drawing and as directed by the Engineer.

Mtr. 405



Division 6: Pavement Works

S.

N. Item Ref. Item Name Unit Unit Price Quantity Amount

6.1 AS - 8

Scarifying metaled road surface/Existing Pavement

surface including disposal of rubbish lead up to 50

meters and consolidation with road roller of the

aggregate received from scarifying

Sq.m 185

6.2 AS - 11

Repairing of potholes in the existing pavement by

cutting to the regular shape, supplying and laying

required quantities of aggregates, grit & bitumen and

making good by dressing and compaction.

Sq.m 30

6.3 AS - 5.1

Providing and laying Granular sub-base course

(GSB) to required degree of compaction with proper

formation of cross fall using motor grader for laying

and compacted to required density as per material

gradation, aggregate quality specified and as directed

by the Engineer.

Cu.m 204

6.4 AS - 5.2

Providing and laying wet mix macadam graded

aggregate base course to required degree of

compaction with proper formation of cross fall by

using well graded crushed aggregates premixed with

OMC using suitable mixer, motor grader as per

material gradation and a aggregates quality specified

and as directed by the Engineer.

Cu.m 220

6.5 AS - 6.2

Providing and Laying Dense Bituminous Macadam

(DBM) to required degree of compaction based on

mixture design (Job Mix Formula) approved by the

supervising engineer including preparation of surface

with road broom, application of prime coat @

0.75kg/Sq.m by mechanized method using asphalt

plant, paver, steel roller, tyre roller etc. complete -

60mm thick.

Sq.m 6,340

6.6 AS - 7.4

Providing and laying Asphalt/Bituminous Concrete

to required degree of compaction based on the job

mixture design approved by the supervising engineer

using asphalt plant, paver, steel roller, tyre roller etc.

as per material gradation and aggregate quality

specified - 40mm thick

Sq.m 6,340

6.7 AS - 9

Providing and fixing at or near ground level pre-cast

cement concrete in kerbs, edgings/edge stone etc. as

per approval pattern and setting in position with

cement mortar 1:3 (1 cement: 3 sand) cost of

required formwork and finishing smooth with 6 mm

thick cement plaster on exposed surface complete -

1:2:4 (1 cement : 2 sand : 4 graded crushed rock 20

mm nominal size.

Mtr. 90



Division 7: Day Work

S.

N. Item Ref. Item Name Unit Unit Price Quantity Amount

7 Day works

7.1 TS - 6.7 Labor

a Skilled (Mason GR-I) Day

20.00

b Skilled (Mason GR-II) Day

20.00

c Skilled (Mechanic Gr-I) Day

15.00

d Skilled (Carpenter Gr-I) Day

30.00

e Unskilled Day

100.00

7.2 TS - 6.7 Material

a Steel Reinforcement Ton

1.00

b Cement Ton

10.00

c Sand Cu.m

30.00

d Stones/boulders Cu.m

100.00

e Stone chips/aggregates Cu.m

100.00

f HDPE pipes, 3/4 inch dia. Mtr.

200.00

g RCC Hume pipe, 300mm dia. No.

10.00

7.3 TS - 6.7 Day work Plant

a Tipper tuck (4-6 cu.m) hr

50.00

b Excavator (320 HP) hr

50.00

c Wheel loader (160 HP) hr

100.00

d Vibratory roller (8-12 I) hr

100.00

e Concrete Mixture (0.5 Cu.m) hr

50.00

f Concrete vibratory (4 HP, 63mm dia, nozzle) hr

50.00

g Chain saw hr

50.00

f Water Pump, 2 lps to 20m head hr

100.00
