R R of LWSS Gadral in G.P Thana Tehsil Chopal Distt. Shimla H.P

Excavation in foundation, trenches etc. for pipes and pits for other civil structures upto all depths in all kinds of soil such as spade work, pick work, jumper work, blasting work, chiselling work, kankar, mooram singles including decomposed in soft /hard work, chisellijng/wedging out of hard and soft rock where blasting is prohibited, in saturated soil including bailing out the watering, by cutting in slopes where ever reuired, in rocky portion suitable anchorage shall be provided ( anchorage will be paid separately) and stacking the excavated materials not more than 3.00 meters clear from the edge of excavation and then returning the stacked soil in 15cm (fifteen centimeter) layer when required into sides of trenches and above the laid pipes etc. consolidating in each deposited layer by ramming and watering and then disposing of all surplus excavated soil in all leads and lifts. After disposal, the surface shall be neatly dressed and leveled and shoring to its original shape complete in all respect as per direction and entire satisfaction of Engineer-in-Charge.

Laying in trenches to be leveled to grads, IS marked MSERW and GI flanged pipes of following diameters conforming to IS 1339-1991 (part-II) (latest with up to date amendents) havng minimum wall thickness as for class of pipe specified below joined with flanged conforming to table as specified below of BIS 6391-1971 (latest with upto date amendments) welded at Both ends according to relevant BIS standards detailed specifications as appended in NIT & Provided with nuts and bolts of rquired sizes 3mm thick compresses asbestos fiber gasket or synthtic rubber gaskets conforming to relevant BIS codes as given in technical specification i/c all kinds of leads and lifts, flanged short pieces, bends, tees & other specials etc. made from parent tubes & welded with flanges of tables as applicable for the particular reach and of technical specifications apended in the NIT as per site conditions including flushing, cleaning and hydraulic testing coplete to the best satisfaction of Engineer in charge.

MSERW 65 mm dia pipe Table-34 0/0-0/210 and Table 28 0/210-0/900, GI pipes (heavy) 65 mm dia Table -17 0/900-0/1110 table-5 0/1110-1250.

Providing and fixing of 60 HP control panal complete in all respect with automation compatibility etc.

Providing and fixing cast iron double flanged sluice valve of class II 65mm dia of leader/ Behl Kirlsker/GIED/ Kilburn/Fouress make n suction side as per the relevent IS code.C.I 65mm dia.

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/of reputed make of suitable size cast iron /cast steel double flanged sluice valve having size equal to delivery of pump and capable of with standing nominal seat pressure of 52kg/cm^2. The sluice valve shall conform to BIS 780-1984 latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 780 then the sluice valves shall be of cast steel conforming to class 150 ASA (Seat pressure 21Kg/cm^2) or class 300 ASA (seat pressure 52Kg/cm^2) as per BS 1414 Class 300 ASA C.S 50 mm dia.

Supply of Kirloskar/Kilburn/IVC/Fouress/Gled/BHEL/Leader/of suitable size cast iron /cast steel double flanged swing check type reflux valve having bye pass arrangement & size equal to delivery of pump for withstanding nominal seat pressure of 52Kg/cm/^2 The reflux valve shall conform to BIS 5312-1984 (part I) latest with up to date ammendments. However if the seat pressure exceeds the limits prescribed in BIS 5312 then the reflux valves shall be cast steel conforming to class 150 ASA (Seat pressure 231Kg/cm^2) or class 300 ASA (seat pressure 52Kg/cm^2)) as per BSI 1414 Class 300 ASA C.S 50 mm dia.

Providing and fixing double flanged cast steel reflux valve of Leader/BHEL/Kilosker/Kilburn/ GLED/Fouress make and of 50mm dia for rising main having byepass arrangement for rising main andcapable withstanding the normal steel pressure as per IS 780-1984 with up to date ammendments class ASA to be mentioned by the firm.Class 300 ASA C.S 65 mm dia.

Supply of standard make 100mm dia circular dial pressure of suitable range Fiebeg/ Bourden/Precision make with all accessories such as stop cock, copper tubing etc. conforming to BIS 3624-1987 latest with up to date ammendments.

Providing, laying, testing & commissioning at site in trenches bevelled ended conforming to IS/ISO:3183-2007 latest having wall thickness & per Rmt. weight as mentioned below & capable of withstanding required test pressure as prescribed in BIS code, in random lengths of 5.5 to 6.5 mtr. The pipe ends shall be bevelled suitable for butt welding, including the cost of jointing with butt welding confirming to IS 816-1969 or latest as applicable and with uptodate ammendements (leak proof) in three layers at site of work welding rods of Advani/oerliken make/ISI marked (welding rods 3mm to 4mm) and all allied accessories whatever required for welding at site, tail please, tees, bends & other special manufactured from parent pipes as applicable to the particular reach and of approved specification as per site conditions and cutting of pipe wherever required as per site requirement including carriage in all leads & lifts and as directed by the Engineer-in-charge. The pipe shall have zinc coating inside & out side confirming to IS-4736-1986 or latest with upto date ammendments & shall be engraved with API- X 46 etc. The sizes of various components to be as under: l) Suction Pipe ---------- mm dia ii) Delivery Pipe ---------- mm dia iii) Common Header ---------- mm dia. and will be extended up to 5 mtr from the outer wall of the pump house in th direction to be jointed.

P/L suitable size copper PVC insulated armoured power 31/2 core P/L suitable size copper PVC insulated armoured power 31/2 core Havells/Finolex/ L&T make from meter of HPSEB to OCB & from OCB Supply side 31/2 core .3.5X35mm2

P/L suitable size copper PVC insulated armoured power three core cable conforming to BIS 1554 (Part) -1988 or latest with upto date ammendmentsHavells/Finolex/L&T make from switch to starter & starter to motor Motor side 3.0 X25mm2

P/L double loop earthing with crpper plate 600x600x3mm thick electrode complete with material such as charcoal, common salt, GI pipes, thimbles, nuts & bolts, digging of pits, GI wiring & 25x5mm copper strips of required capacity conforming to BIS 3043-1987 latest with up to date ammendmentsfor above motors & other electrical equipment.

Errection of all equipments from S.No 1 to 10 and pumping machinery i/c cost of tees, bend stapers & any other fittings required and carriage charges of material by head load as per site conditions & as per directions of Engineer-in-Charge.