Construction of water reservoir with piped water supply facility connecting all household at Joysing Rongpi village(Birhum)

Raw Water Pumping Main

Providing, Laying, Jointing & field testing of HDPE pipes (High Density Polyethylene Pipes-PE 100) confirming to IS 4984/2016 (with up to date amendment) with necessary jointing material like mechanical connector of jointing pipes by heating the ends of pipes with the help of Teflon coated electric mirror/ heater to the required temperature and then pressing the ends together against each other, to form a monolithic & leak proof joint by thermosetting process. It may be required to be done with Jack/ Hydraulic Jacks/ Butt fusion machine.(50 mm & above fusion jointed & below 50mm mechanical jointed). The HDPE fitting should be ISI marked conforming to relevant BIS code.

(g) 63 mm dia HDPE PN 6

Distribution Network

Providing, Laying, Jointing & field testing of HDPE pipes (High Density Polyethylene Pipes-PE 100) confirming to IS 4984/2016 (with up to date amendment) with necessary jointing material like mechanical connector of jointing pipes by heating the ends of pipes with the help of Teflon coated electric mirror/ heater to the required temperature and then pressing the ends together against each other, to form a monolithic & leak proof joint by thermosetting process. It may be required to be done with Jack/ Hydraulic Jacks/ Butt fusion machine.(50 mm & above fusion jointed & below 50mm mechanical jointed). The HDPE fitting should be ISI marked conforming to relevant BIS code.

(d) 110 mm dia HDPE PN 6

(e) 90 mm dia HDPE PN 6

(f) 75 mm dia HDPE PN 6

(g) 63 mm dia HDPE PN 6

Filter Bed 2 sqm

Construction of gravity type Rapid Sand Filter of Size 4m2/6m2 including the following item of works: (i) Earthwork for excavation (ii) 150 mm thick PCC (prop. 1:3:6) (iii) Brick soling (iv) Formwork of ordinary timber planking including centering, shuttering, propping, etc. (v) PCC/RCC works (M25 grade in foundation & superstructure) (v) 250 mm brick work in cement morter with 1st class brick including racking out joints and dewatering if necessary, and curing complete as directed. (vi) 15 mm thick Cement plaster in single coat on rough and fair side (prop. 1:4) (vii) Finishing old / new wall with water proofing weather coat smooth anti-fungal exterior painting of approved make (two coats) (viii) Supplying, fitting and fixing including labour charge of under drainage with 150 mm dia PVC manifold and 63 mm dia PVC laterals and interconnection of the filter unit including necessary GI fittings. (ix) supplying and charging of filter media considering all materials for the filter bed constructed as per the specification provided by the deptt. The specification of the sand and gravel is as below: (a) Sand should be hard, resistant quartz, free from clay, fine particles, soft grains, organic matter and dirt. Effective size of sand (d10) has to be within the range from 0.45 mm to 0.7 mm and uniformity coefficient (d60/d10) within 1.3 to 1.7. The effective depth of sand bed has to be 0.60 m. (b) Gravel has to be hard preferably rounded stone and not crushed stone, with average specific gravity not less than 2.5

RCC Under Ground Reservoir

Construction of RCC Under Ground Reservoir of various capacities by excavating necessary earthwork, including dewatering, stabilising side earth, preparation of sub soil etc. with 100 mm thick PCC (in prop. 1:3:6), using M25 grade of concrete including dewatering if necessary, and curing; application of air entraining and water reducing plasticiser (masterplast PAE ) conforming to IS 9103-1999 @ 0.15 Lit per bag of cement (or equivalent); and 15mm thick plastering and painting, along with inlet channel, vent pipe and other pipe connections, form work, shuttering and shoring etc. for storage of treated drinking water as per approved drawings and specification, along with 450 mm inlet channel with hydraulic jump for mixing of fluid and fitting and fixing of 100mm dia GI outlet, vent pipes as per approved drawings and specification as per approved good for construction drawing issued by the deptt. (UGR to be tested for leak proof). 15000 liters ( 3.00 x 2.50 x 2.45 m )

RCC Tanks for Water Storage (3 Nos. & 2000 Lt. Each)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work upto plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from ntural sources.

RCC Intake Well (1 m Diameter & 4 m Height)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work upto plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from ntural sources.

2 HP 200 Metre Head, Solar Pumping System

Providing Functional Household Tap Connection including earthwork in excavation for pipe line (both for connection in distribution line and service connection) and refilling, dressing etc., providing PVC/HDPE Saddle Piece of average size 110 mm x 15 mm (i.e. ranging from 63mm to 160mm) , making holes in the distribution pipe, providing 15 mm dia bronze ferrule cock (PN-16) conforming to IS:2692 (1989) as ammended from time to time / Flow control valve of SS316 with flow of 3 LPM at standard operating pressure of 0.5 bar to 1.5 bar of minimum woight 125 gm, connecting it to the saddle piece, providing and fixing 3 layer (Outer green / GREY coloured UV Stabilised, middle black coloured UV Stabilised and inermost layer white coloured with antimicrobial property) Fusion welded PP-R ( Poly propylenerandom copolymer) Pipes, SDR 7.4 having thermal stability for hot and cold water supply conforming IS 15801-2008 of average length 10 m from saddle piece to the standpost ( pipes of make empanelled manufacturers and PN-16 Pipe,20 mm OD,SDR-7.4) including all plain PP-R fittings and brass threaded PP-R fitting and clamping, cutting and making good to the damages, including all taxes and duties as applicable and including the cost of all required labour and materials as directed and specified. The item also inludes construction and installation of R.C.C Hydrant Pillar with cement concrete.

Colour wash & IEC Messages

Plumbing (L.S.)

Internal Electrification (L.S.)

Transportation Charges (L.S.)