NIT No. 08 (22-23) Item No. 1

Laying of Double Flanged (Screwed/ Welded) Centrifugally 700 mm dia Ductile Iron pipe class K-9 Conforming to IS : 8329 Double Flanged. The rising main is to be laid over the Jahangir Puri Drain

Providing of Ductile Iron Pipe Class K-9 flanges and welding 700 mm dia

Providing and laying D.I. Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :18.69.2 Above 600 mm dia quintal

Providing & erecting 1.60 `m ht c.g.i. sheet barricading supported on safeda ballies, 100 mm dia, 2.0 m ht placed at 2.5 m c/c corrugated GI sheets fixing with nail of required length and dia to safeda ballies including excavating holes size of 0.30*0.30*0.40 m, getting out the excavation soil and then returning the soil i/c consolidating by ramming, watering etc, all complete including disposal of surplus excavated earth within a lead of 50.0 m and lift upto 1.5 m and painting on full surface of CGI Sheet (on one side with bright paint of red and white colour in vertical strips 0.30 m wide alternately as directed by Engineer in charge. (The barricading dismantled on completion of the work shall remain the property of contractor)

Hire charge of mechanical excavator for excavation of earth pit at site of work as per site requirement and refilling the same after completion of work, including diesel, mobile oil & lubricants etc as per site requirement.

Hiring of long boom crane capacity 20 ton with fuel operator and helper for shifting, lowering, balancing and holding the M.S. Gap Piece & other works as required at site.

Hiring of 62 KVA D.G. set with fuel & operator for welding works and other works as required at site.

Dewatering of sewage water of the burst rising main with the help of suitable size of sewage submersible pump, delivery pipe & other consumables at suitable place.(approx KL)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to 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 natural sources) (DSR Civil 2021: item code in DSR-4.1.3) 2X2X2X3.5=28.00CUM

12 mm cement plaster of mix : 1:4 (1 cement : 4 fine sand) 2X2X3XX3.5=42.00SQM

SLUICE VALVE:-cast iron double flanged manually operated sluice valve nerally conform to IS:14846 having body, door, dome, gland in graded cast iron to IS:210, Gr.Fg.260, four faces of SS ASTM A743 Gr.CF8 and spindle nut of leaded tin bronze to IS:318, outside screwed rising stainless steel AISI:431 spindle. Valves of size 350mmø and above will be with BTB and gear box arrangement for ease in operation. Valves to be tested by closed end method only. Flanges to be drilled as per IS:1538 Part-IV & VI. Valves are suitable for hydrostatic test pressure of 10Kg./Cm2 for seat and 15Kg./Cm2 for body(PN-1 rating) 700 mm dia

Dismantling of 200 mm & 450 mm DI pipe.

Providing of 150 mm CI Sluice Valve

Providing of 150 mm CI Air Valve

Providing and fixing MS Dismantling joints of pressure rating PN:1.6 with both side flange end suitable for installation in between flange end pipes (700 mm dia)

M.S. Pipe 200 mm dia

Fixing of 150 MM dia sluice valve and Air Valve etc.

Testing and commissioning of rising main on full pressure and as per satisfaction of Engineer In-charge.

S B CONSTRUCTION