Construction of roof top rain water harvesting system for recharging for borewell of CADA S/Div. Material Testing Lab and Zilledar Office.

Amount

(Filteration tank) Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead up to 50 m and lift up to 1.5 m, as directed by Engineer-in-charge (HSR item No. 4.12.1)

(Pipes) Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 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 : (HSR 4.16.1.2)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge 1:2:4 (HSR item No. 5.7.4)

First class dry flat brick flooring or paving in ordinary bonded courses or in herring bone or other special courses or bond laid to template over rammed and dressed foundation and to correct longitudinal and cross slopes as shall be required by the Engineer-in-charge. All joints shall be thoroughly filled with dry sand grouting which shall be applied to a thickness of not than 20 mm over the surface of the flooring and brushed into the joints. All joints shall be fully filled with sand. (HSR item No. 21.13)

(Tank & Collection Chamber) Providing and laying of Conglomerate floor 25 mm thick cement concrete 1:2:4 on 100 mm cement concrete 1:8:16 and 100 mm sand or stone filling (HSR item No. 10.9)

(Collection Chamber) Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in cement mortar 1:4 (HSR item No. 7.20.1)

(Filteration Chamber) Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in cement mortar 1:4 (HSR item No. 7.20.2)

(Tanks Walls ) (Collection Chamber) 12 mm cement plaster finished with a floating coat of neat cement of mix: 1:4 . (HSR item 11.11.2)

(Tanks cover collection chamber) Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level: 1:2:4 (HSR item No. 6.14.2)

( Tank cover and collection chamber) Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level. 89 kg per cum (HSR item No. 6.33.3)

150 mm dia PVC pipe ( UNIQUE CODE B0242 ) (For Pipes)

100 mm dia PVC pipe (UNIQUE CODE B0239) (For Pipes)

PVC Bend 150 dia ( UNIQUE CODE B0240) (For Pipes)

100 mm dia PVC pipe (UNIQUE CODE B0241) (For pipes filted vertically to roof)

Stringing out A.C./P.V.C pipes and specials casting along trenches and laying the same in trenches, to correct alignment and gradients including cartage from divisional stores or nearest railway station to site of works and return of pieces of pipes to stores 150 mm internal diameter of pipe line laid complete (HSR item No. 20.7.5)

( Size 450 mm X450 mm inside (with 455 mm x 455 mm cover and frame light duty single seal weighing 20 kg with C.C. topping) Constructing brick masonry inspection Chamber sizes as given below up to 0.60 metre average depth in cement mortar 1:5 lime concrete with 40 per cent lime mortar 2:3 in foundation cement concrete 1:2:4 benching 12mm thick cement plaster 1:2 with a floating coat of 1 mm thick of neat cement R.C.C. 1:2:4 slab 100 mm thick/cement concrete topping, 50mm thick with 455mmx455mm / 455mm x610mm inside light duty C.I. inspection chamber cover and frame weight as per I.S.I. specification painted with 3 coats of black bitumastic superior paint complete as per standard design. (HSR item No. 21.84.1)

Extra for every 0.30 metre depth of Inspection chamber 450 mm x 450 mm inside (HSR item No. 21.85.1)

Providing and placing in horizontal layers filtering media screened washed and cleaned, bajari (roursed) screeened and washed graded from 3.0 - 6.0 mmm (from Ghaggar or approved equalent quarry). As per HSR item No. 20.52.2

Providing and placing in horizontal layers filtering media screened washed and cleaned, broken stone screened and washed graded from 20mm to 25mm (from Ghaggar or approved equalent quarry). As per HSR item No. 20.52.3

Providing and placing in horizontal layers filtering media screened washed and cleaned, bajari (coursed) screened and washed graded from 50mm to 75mm (from Ghaggar or approved equalent quarry). As per HSR item No. 20.52.5

Providing and fixing 200mm dia PVC rain water pipe 6kg pressure bend pipes.

Providing and fixing 200mm dia PVC pipe 6kg pressure bend

(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/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, beyond 90 metre & up to 150 metre depth below ground level. (HSR item No. 33.7.1.1)

(200mm dia) Supplying, assembling, lowering and fixing in vertical position in bore well, Unplasticised PVC medium well casing (CM) pipe of required dia, conforming to IS: 12818, including required hire and labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer -in-charge. (HSR item No. 33.8.3)

(200mm dia) Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. (HSR item No. 33.9.3)

Gravel packing in tube well 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. (HSR item No. 33.15)

(200mm) Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tube well as per IS:2800 (part I). (HSR item No. 33.18)

Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. (HSR item No. 33.19)

Structual steel work in single section, fixed with or without connection plate, including cutting, hositing, fixing in position and upling a priming cot or approved steel primer all complete as per HSR item No. 13.27 (Steel cover for fieltration tank )

Credit of old brick

SHAMSHER SINGH

Hariom Enterprises, Prop Rajinder Kumar Gill Hisar

Nanak S/o Sh. Subhash Chander, Contractor Barwala