Improvement and Retrofitting to various LWSS/GWSS under Jal Shakti Section, Arki in Tehsil Arki Distt. Solan (HP)

Amount

Centrifugal Pumping Machinery:- Supply ,Installation ,Testing & Commissioning of star rated energy efficient horizontal spindle, horizontal/ radial split casing/end suctions (back pull out arrangement)single/double/multistage centrifugal pump suitable for operation, in parallel of recommended make such as Mather and platt/KSB/Kirloskar/Jyoti /Beaconweir BS&BE or any other approved make confirming to BIS-1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze/Bronze with 2.5% Nickel impellers, dia of 405mm priming funnels, casing ring and shaft sleeves of bronze/ steel, shaft of SS:410/AIS 1431 Chrom in plated with cast iron casing coupled directly through a flexible coupling on a Common MS base plate to squirrel cage screen protected drip proof induction motor/TEFC/CACA of standard make such as Kirloskar/BHEL/ Crompton/NGEF/GEC/Siemens/ Jyoti/Area Brown Boven (ABB)/CGL and suitable for operation on 11 KV HT, 50 cycles/second 3 phase AC electric supply. The power of electric motor/motors should be at least (+) 10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-) 15% of the duty point head. The motor/motors should be as per IS: 325-1978 with upto date amendments read with IS:900-1972. The starting current of the motor shall be limited to not more than 4.5 to 5 times of full load current.

It should include cost of bearing nuts, bolts and painting etc and should meet the following requirement including Pump sets (working + standby), All electrical equipments such as Starter, ICTP switches, MCB, Bush bar chamber, MCB, Panel board indicating lamps, Ammeter, Voltmeter, Hour run meter should be of electronic type , incoming and outgoing water proof cable for panel board, Double loop earthing, copper cable pressure gauge, capacitor, common header, sluice valve, NRV including erection and testing complete necessary piping for suction and common header and control valves alongwith electrical works including all taxes, insurance, transportation, freight charges, inspection charges, loading, unloading, conveyance to Departmental stores/ site, stacking, etc. including specials and wastage etc.; complete as per Tender Specifications and instruction of Engineer in charge. The HP are indicative, the design/drawings of Pumping Machinery is to be got approved by L-1 Contractor from the competent authority before placing supply order for the same after finalisation of tender. The rates shall be for complete Job to run the machinery in proper working. The pumping machinery & its accessories/valves/piping work etc. shall be as under and should meet the following requirements:- (i) Sluice Valves/Reflux Valves to be provided on delivey line:- These shall be double flanged valves be of approved make & size of valves shall be same as dia of column pipe or one size higher than delivery size of offered pump.The class of valves for stage -1st shall be, cast steel ASA- 600 and same shall confirm to relevent BIS code or ASA specifications (ii) Reflux Valves to be provided in Rising Main:- It shall be dopuble flanged valve of approved make & size of valve shall be same as dia of rising main pipe. The class of valve shall be Cast steel ASA- 600 and same shall confirm to relevent BIS code or ASA specifications (iii) Piping work (Common Header, Delivery pipes & Suction pipes):- The piping work shall be of same specifications as the R-main in intial RD's. The size of common header shall be same as dia of R-Main. in No case pipe wall thickness shall be less than 4.80 mm. The common header & delivery pipes shall be properly jointed with flanges of appropriate Flange table with butt welds. (iv) Power shunt Capactor:- Capacotors shall be of suitable KVAR so as to improve power factor to 0.95 or above. (v) Pannel Board:- It shall be of suitable size & capable to accomodate all above electrical accessories i/c providing & fixing in position these accessories & interconnections with cable of appropriate size & specifications. (vi) Startes:- Starters shall be of approved make & of suitable rating suitable of safe running and operation of given motor or pumping machinery It shall be mounted on panel board with magnetic type over load release & dashpot, time lag,under voltage release with initial oil filling if required.

Stage-1st - 2 sets (1 working & 1 standbye) for duty condition discharge of = 5.52 LPS with Total Head of = 391 mtr. The BHP is to be offered by the bidder & rate shall be filled in by the contractor per set.

Rising Main:- Excavation in foundation, trenches etc. earth work in all type of soil such as pick work, jumper work, blasting work kankar,mooram singles including decomposed soft and hard rock etc. upto all heights stacking the excavated earth not more than 3 metres clear from the edge of excavation and then returning the stacked soil in 15cm layers when required into plinths and sides of foundation etc.consolidating each deposited layer by raming and watering and then disposing of all surplus excavated earth upto all leads and lifts as directed by the Engineer in charge complete in all respects.

Providing, laying, & jointing commissioning at site in trenches to be beveled ended MSERW pipe of grade- A or L-210 conforming to IS/ISO:3183-2007 (Latest with up to date amendments) having minimum wall thickness as specified below & capable of withstanding required test pressure as prescribed in IS/ISO code, in random lengths of 5.5 to 6.5 mtr. The pipe ends shall be levelled suitable for butt welding, including the cost of jointing with butt welding confirming to IS 816-1969 or latest applicable and with uptodate ammendments (leak proof) in three layers at site of work with welded rods of Advani/oeriliken make/ISI marked (welded rods 3mm to 4mm) and all allied accessories whatever required for welding at site, tail pieces,tee bends & other special manufactured from parent pipes as applicable to the particular reach and of approved specification as per site conditions. and cutting of pipes 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 & outside confirming to IS-4736-1986 or latest with upto date ammendments & shall be engraved with L-210, Grade A. The laying shall confirm to BIS 5822-970 or latest with upto date ammendments to the entire satisfaction of Engineer-In-Charge. (Earth work & cost of MS Flanges after 100meter length shall be measured & paid for seperately.) including all leads, lifts and carriage of materials at site and as per direction and to the entire satisfaction of the Engineer-In-Charge. 80 mm dia. L-210, Grade A. In rising main 99 % joints shall be butt welded remaining 1% shall be flanged joints with flange of suitable MS plate flanges of appropraite flange table . In addtion flanged may also be provided with accessories are to be provided in Rising main. RD Length Dia Weight Wall Thickness From to in mtrs.

0 630 630 80mm 9.95 kg/ mtr 4.80

Laying and jointing in trenches galvanised mild steel tube (Heavy grade) of following diameters conforming to IS-1239 as specified below jointed with butt welding according to relevant BIS code 816-1969 including all short pieces bends,tee and other specials etc. made from parent tubes as applicable for the particular reach and of approved specifications as per site conditions including flushing, cleaning and hydraulic testing complete to the best satisfaction of the Engineer-in-charge. The laying of pipes should conform to BIS code 5822-1970 within all leads and lifts complete in all respect.. These shall be only 1% flanged joints 99% joint shall be butt welded. Dia Length From To Total Length in Mtrs. Weight Wall Thickness Class

80 mm 630- 1260 630 9.90kg/mtr 4.80 (HG)

Laying and jointing in trenches galvanised mild steel tube (Medium grade) of following diameters conforming to IS-1239 as specified below jointed with butt welding according to relevant BIS code 816-1969 including all short pieces bends,tee and other specials etc. made from parent tubes as applicable for the particular reach and of approved specifications as per site conditions including flushing, cleaning and hydraulic testing complete to the best satisfaction of the Engineer-in-charge. The laying of pipes should conform to BIS code 5822-1970 within all leads and lifts complete in all respect.80 mm dia. GI Medium class. These shall be only 1% flanged joints 99% joint shall be butt welded. Dia Length From To Total Length in Mtrs. Weight Class

80 630 1608 348 8.36 kg/mtr. (MC)

Providing, welding and fixing M.S. plate flanges of various dia (nominal bore) of following Flange Tables confirming to IS 6392-1971 or latest with up to date amendments to MSERW / GI pipe after every 100 mtr. pipe or as per site requirement including cutting of of pipes wherever required, welding in three layers (leak proof) confirming to specifications as prescribed in relevant I.S. Code i.e. IS 816-1969 or latest as applicable with up to date amendments with nuts, bolts & washers & specials etc. confirming to IS-1963 or latest with up to date amendments including packing sheet i.e. asbestos fibre sheet minimum 3mm thick and painting with anticorrosive paints complete in all respect in all leads, lifts and carriage of material at site and as directed by the Engineer in charge. These shall be only1% flanged joints 99% joints shall be butt welded . In addtion flanges shall be provided where accessories are to be attached. Dia RD Length in mtr. Table

Providing and fixing C.I double action Air valves having 75 mm dia. ball for 50 mm with screwed hex nipple suitable for flanged connection with pipe and tested complete in all respects.

Surjeet Singh Thakur

HYDRAULIC ENGINEERING COMPANY

puneet angra

MNBN Enterprises

M/S Sharma Enterpirses

Raman Thakur Govt. Cont.