ONST. OF RAIN WATER HARVESTING SYSTEM IN NANDISHALA RATIA

[21.28]Providing and fixing steel bar embedded plastic steps of size 263mm x 165mm of orange colour, confirming to specification in pump chambers, manholes etc., having minimum 3mm thick polypropylene polymer confirming to is:10910 encapsulated on 12mm dia ribbed steel bars per IS :1786. The rate include cost of setting the same to correct lines and levels duly embedded in 1:2:4 cement concrete including carriage, loading, uploading, stacking, handling, re-handling etc., complete in all respect to the satisfaction of Engineer-in-charge [Through Rate]

[21.87.2.1]Constructing brick masonry road gully chambers as per standard drawings (as per sizes given below) including dressing of beds and sides of chambers to exact profiles, 15cm thick lime concrete 16:24:100 (as per specified in item No.10.6) in foundations 1st class brick work laid in cement sand mortar 1:5, 40 mm thick cement concrete 1:2:4 topping inside the chamber with a floating coat of 1.5mm thick neat cement laid in one operation to the topping, the entire inner surface of the chamber rendered with neat cement not less than 12mm in thickness of 1:2 cement sand plaster and finished with floating coat of neat cement 1 mm thick left absolutely smooth polished and correct to templates including labour for fixing the C.I. road gully grating and frame including painting with coal tar (as Specified in item No. Item 21.48) complete to the requirement of the Engineer in-charge 2.1. Double Road Gully Chamber - Size 1448mm x 457mm x 800mm [Through Rate]

[3.1.2]By Mechanical Transport including loading, unloading and stacking 2. Earth [4km]

[33.10.3]Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed and approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire and labour charges, fittings and accessories, all complete, for all depths, as per direction of Engineer-in-charge. 3. 200 mm nominal size dia having minimum wall thickness 5.40 mm [Through Rate]

[33.12]Supplying, filling, spreading and levelling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads and lifts, all complete as per direction of Engineer-in-charge. [Through Rate]

[33.13]Supplying, filling, spreading and levelling gravels of size range 5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads and lifts, all complete as per direction of Engineer-in-charge. [Through Rate]

[33.14]Supplying, filling, spreading and levelling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads and lifts, all complete as per direction of Engineer -in-charge. [Through Rate]

[33.16.3]Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for bore well of: 3. 200 mm dia [Through Rate]

[33.17.3]Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tube well as per IS: 2800 (part I), including necessary bolts and nuts of required size complete. 3. 200 mm clamp [Through Rate]