Construction of Rain Water Harvesting Pits 23 Nos by using Modular Rain Water Harvesting System at GPRA Complex, New Moti Bagh, New Delhi

Name of Work: Construction of Rain Water Harvesting Pits 23 Nos by using Modular Rain Water Harvesting System at GPRA Complex, New Moti

Bagh, New Delhi

BILL OF QUANTITIES

Item DSR 2021 with Non Scheduled Non Scheduled

PAGE Description of Item Qty. Unit DSR Amount

No. CI @ 7% Rate Amount

Earth work in excavation by mechanical means (Hydraulic

excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m

1 2.6.1 in width as well as 10 sqm on plan) including getting out and disposal of 2814.5 Cum 219.83 6,18,715.76

excavated earth lead upto 50 m and lift upto 1.5 m, as directed by

Engineer-in-charge. All kinds of soil

Excavating trenches of required width for pipes, cables, etc including

excavation for sockets, and dressing of sides, ramming of bottoms,

depth upto 1.5 m, including getting out the excavated soil, and then

returning the soil as required, in layers not exceeding 20 cm in depth,

including consolidating each deposited layer by ramming, watering, etc.

and disposing of surplus excavated soil as directed, within a lead of 50

m : Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm

Filling available excavated earth (Excluding rock) in trenches, plinth,

sides of foundation etc. in layers not exceeding 20 cm in depth,

consolidating each deposited layer by ramming and water. Lead up to

50 m and lift uoto 1.5 m.

Extra for every additional lift of 1.5 m or part thereof in excavation /

banking excavated or stacked materials. All kinds of soil

Supply and filling in plinth with Jamuna sand under floors, including

watering ramming consolidating and dressing complete

Providing and laying in position cement concrete of specified grade

excluding the cost of centering and shuttering - All work upto plinth level

1:2:4 (1 Cement: 2 coarse sand: 4 graded stone aggregate 20mm

Providing and laying in position cement concrete of specified grade

excluding the cost of centering and shuttering - All work upto plinth level

1:5:10 (1 Cement: 5 coarse sand: 10 graded stone aggregate 40mm

Extra for depth for manholes :Size 120x90 cm With common burnt clay

F.P.S. (non modular) bricks of class designation 7.5

Carriage of material by mechanical transport including loading,

9 1.1.2 unloading and stacking etc complete lead 1km, the place of disposal 1224.4 Cum 193.03 2,36,343.48

shall be approved by the engineer in charge

Digitally signed by

Sign of Contractor MOHD 1 of 4 MOHD TAFSEER NBCC

TAFSEER 16:01:47 IST

Item DSR 2021 with Non Scheduled Non Scheduled

PAGE Description of Item Qty. Unit DSR Amount

No. CI @ 7% Rate Amount

Providing orange colour safety foot rest of minimum 6mm thick plastic

encapsulated as per IS:10910, on 12mm dia steel bar conforming to IS:

1786, having minimum cross section as 23mm X 25mm and over all

minimum length 263mm and width as 165mm with minimum 112 mm

space between protruded legs having 2mm tread on top surface by

ribbing or chequiring besides necessary and adequate anchoring

projection on tail length on 138mm as per standard drawing and

suitable to with stand the bend test and chemical resistance

identification mark to be visible even after fixing,including fixing

manhole with 30X20X15cm cement concrete block 1:3:6(1 cement: 3

Coarse sand: 6 graded stone aggregrate 20mm nominal size) complete

Providing and fixing in position pre-cast RCC manhole covers and

11 19.19.3.1 frame of required shape and approved quality H D - 20 Circular shape 23 each 1598.79 36,772.26

560 mm internal diameter

Boring/drilling bore well of required dia for casing/ strainer pipe, by

suitable method prescribed in IS: 2800 (part I), including collecting

samples from different strata, preparing and submitting strata chart/

12 23.1.1.1 bore log, including hire & running charges of all equipments, tools, 690.00 Meter 633.49 4,37,110.52

plants & machineries required for the job, all complete as per direction

of Engineer-in-charge, upto 90 metre depth below ground level, All type

of soil : 300 mm dia

Boring/drilling bore well of required dia for casing/ strainer pipe, by

suitable method prescribed in IS: 2800 (part I), including collecting

samples from different strata, preparing and submitting strata chart/

13 23.1.2.1 bore log, including hire & running charges of all equipments, tools, 230.00 Meter 1515.44 3,48,551.43

plants & machineries required for the job, all complete as per direction

of Engineer-in-charge, upto 90 metre depth below ground level, Rocky

strata including Boulders : 300 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore

well, unplasticized PVC medium well casing (CM) pipe of required dia,

14 23.3.2 conforming to IS: 12818, including required hire and labour charges, 460.00 Meter 715.30 3,29,035.70

fittings & accessories etc. all complete, for all depths, as per direction of

Engineer -in-charge. 150 mm nominal size dia.

Supplying, assembling, lowering and fixing in vertical position in bore

well unplasticized PVC medium well screen (RMS) pipes with ribs,

15 23.4.2 conforming to IS: 12818, including hire & labour charges, fittings & 460.00 Meter 729.63 3,35,631.18

accessories etc. all complete, for all depths, as per direction of

Engineer-in-charge.150mm nominal size dia.

Digitally signed by

Sign of Contractor MOHD 2 of 4 MOHD TAFSEER NBCC

TAFSEER 16:01:47 IST

Item DSR 2021 with Non Scheduled Non Scheduled

PAGE Description of Item Qty. Unit DSR Amount

No. CI @ 7% Rate Amount

Gravel packing in tubewell construction in accordance with IS: 4097,

including providing gravel fine/ medium/ coarse, in required grading &

sizes as per actual requirement, all complete as per direction of

Engineer-in-charge.

Providing and fixing suitable size threaded mild steel cap or spot

17 23.13.2 welded plate to the top of bore well housing/ casing pipe, removable as 23 Each 225.50 5,186.56

per requirement, all complete for borewell of: 150mm dia

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom

of pipe assembly of tubewell as per IS:2800 (part I). 150 mm dia

Supplying, filling, spreading & levelling stone aggregate 20mm nominal

19 NS size in recharge pit, in reduced thickness, for all lead & lifts, all 75.35 Cum 1408.22 1,06,109.38

Constructing brick masonry manhole (silt chamber type) inside size

1.20mX0.90m & 1.20m deep with FPS brick class designation 75 in

cement mortar 1:4 (1 Cement: 4 coarse sand ) 15mm thick RCC top

slab with 500mm dia opening in cement concrete 1:2:4 (1 cement: 2

C/sand: 4 graded stone agg, n/size reinforced with 18.92 kg cold

twisted sreel bars 20cm foundation concrete 1:4:8 (1 cement: 4 C/sand:

8 graded stone agg 40mm size) inside plastering 12 mm thick with

cement mortar 1:3 (1 cement: 3 C/sand) finished with a foating coat of

neat cement and providing 75 mm thick bed concrete in 1:2:4 mix (1

cement: 2 C/sand: 4 graded stoneagg . 20mm n/size) including neat

cement punning inside the manhole complete as per standard

design/depth shall be measured from invert level of manhole excluding

cost of manhole cover and frame which shall be paid for separately etc.

All complete as per direction of engineer-in-charge.

Supply and filling in plinth with charcoal layer under floors, including

watering ramming consolidating and dressing complete

Providing and fixing of non-woven Geotextile having thickness of 400

GSM, Having minimum tear Strength of 250 ASTM D4533, width wise

atleast 215 ASTM D4533 having puncture strength of 1550 plus as per

ASTM D6241 Having elongation at Break % of 57 plus as per ASTM D Squre

4595 in Two layers, made out of long fibers to hold the modules and Meter

protect liner including cutting, sizing, head welding, and needle

punched for high porosity and proper percolation. Complete as per

entire satisfaction of engineer-in-charge

Digitally signed by

Sign of Contractor MOHD 3 of 4 MOHD TAFSEER NBCC

TAFSEER 16:01:47 IST

Item DSR 2021 with Non Scheduled Non Scheduled

PAGE Description of Item Qty. Unit DSR Amount

No. CI @ 7% Rate Amount

Providing and fixing of CGWB/GRIHA approved FRP Filter 700mm-

800mm dia with one 300mm dia inlet and outlet to accumulate storm

water having desilting suspended solid catcher made out of FRP with

strainers steel 304 grade strainers, having steel bucket of 600 micron

capable of eliminating finer particulate matter upto160 micron filtration

made of SS net with long fiber foam of 25mm thickness, green color,

filtration capacity 40-80 kiloliters complete in accordance to the design,

drawing and specification complete as per entire satisfaction of

Engineer-in-Charge. Total depth of filter shall be 2000mm including two

filter extension.

Extra for add or deduct for providing fixing FRP (FIBER REINFORCED

POLYMER) based microfilter drum/ extension of 700mm-800mm dia on

24 NS or in CGWB/GRIHA approved FRP Filter dia Accordance to the design , 6.90 Meter 26053 1,79,767.29

drawing and specification complete as per entire satisfaction of

Engineer-in-Charge

Providing & Fixing of Co-polymer based rainwater harvesting structure

including supply of cross wave of size 494 mm x 494 mm x220mm with

minimum void ratio of 94.7% having a weight of 1.8 kg and spacers

having size of 988 mm x 240 mm x 25 mm having a weight of 0.8 kg or

modular Rain water Harvesting System as per CPWD manual 2019

clause No. 5.7, of approved make and arranging the same in as

directed by the engineer -in-charge and in complete accordance to the

design, drawings. The rates are inclusive of all necessary

transportation, loading, unloading excise, vat controi etc.as per entire

satisfaction of Engineer -in-charge

Providing and fixing polyethylene pipe of working pressure 6Kg per

square cm confirming to IS:4985 including jointing with sealing ring

confirming IS:5382 leaving 10 mm gap for thermal expansion 300mm

Add MF (1.0633) on DSR (for 12% to 18% GST) 2,12,348.57 -

Grand Total (DSR+NS) 2,86,86,211

Grand Total (DSR+NS) 2,86,86,211

Digitally signed by

Sign of Contractor MOHD 4 of 4 MOHD TAFSEER NBCC

TAFSEER 16:01:47 IST