Providing LWSS to PC Habitation of Kot Dhawali and Bahri rathoun Chakyana in Tehsil Dharampur Distt. Mandi HP

Amount

Excavation in foundation and trenches etc. (for pipe and pits) up to all depth and in all kind of soil such as pick work, jumper work, saturated soil including bailing or pumping out water, blasting in soft / hard rock, chiseling / wedging out of same where blasting is prohibited in all lead and lift including trimming and dressing of side, leveling of beds to correct grade including shoring, strutting, planking timbering and dewatering where ever required, stacking the usable and unusable and un-usable materials/soil separately and after laying, jointing and testing of pipes, returning the useful soil trenches in 15 cm layers by ramming and watering and then disposing of all surplus excavated soil/unusable materials as directed with in all leads/lifts including restoration of unmetered/unmetered surfaces to its original conditions and including cost of diversion of traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lift as per direction of Engineer-in-charge.

Laying, jointing and testing in trenches (to level or grade) of GMS pipes jointed with 5% flanged joints & remaining 95% butt weld joints with of below diametre conforming to IS 1239-1990 (Part - I ) with latest upto date amendments, suitable to withstand required hydraulic test pressure in randum length 4m-7m with plain ends and jointed with MS Flanges conforming to IS 6392-1971(Latest upto date amendments) and welding of flanges as per IS 816-1969 with electrodes as per IS 814-1991 including required number and size of MS nuts and bolts as per IS 1369-1967 and compressed asbestos fibre jointing gaskets sheet not less than 3.00 mm in thickness as per IS 2712-1998. The welding of flanges to be done on both faces (two layers outter side & one inner side) to make the joints leak proof (earth work, providing and welding M.S flanges and butt welded joints to be mearsured and paid separately) and to entire satisfaction of the Engineer-in-Charge.The laying of pipes conform to IS 5822-1994 and as per CPHEEO manual and will include all operations such as cutting, welding and jointing including flushing, cleaning and hydraulic testing complete in all respect. Excavation in trench, providing and welding of M.S. Flanges and butt welded joint shall be measured and paid for seperately. (Labour rate).

50 mm dia (Medium Class)

Laying, jointing and testing in trenches galvanised mild steel tube of light grade screwed and socketed complete including providing and fixing tube fitting such as union, tees, socket etc (excluding cost of bends and valves) for the following dia as per direction and to the entire satisfaction of Engineer-in-charge. (Labour rate).

40 mm dia (Light class)

Providing and welding M.S. flanges at suitable point, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments)with plain end GMS pipe in three layers on both faces to make the joint leak proof (The cost of laying of GMS pipes to be measured and paid for separtely). The welding of flanges should conform to IS 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364, the thicthness of gasket not less than 3.00 mm conforming to IS 2712-1998. The work shall be done as per entire satisfactio of engineer in charge with in all leads and lifts.

M.S. Flange joint 50 mm dia (FT-17)

Providing circumferencial Butt welded joints by electrical arc welding to following dia API/GMS/MSERW Pipes welded in requisite number of weld runs including thread cutting so as to achieve the minimum effective throat thickness of weld conforming to IS 816-1969 specifications, by using welding electrodes of 2.5mm to 6.3mm of Advani Oerlikon (Adore)- CITOJET/ESAB make, conforming to IS 814-1991, at site of work complete in all respects, including manual/mechanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer-in-Charge.

50 mm dia.

Providing, Supplying of 6 mm2 copper PVC insulated three core cable confirming to BIS-694 or latest with up to date ammendment Siemen /Gloste r/ICC/Hevells/ Fenolex make i/c all other electrical equipment along with allied accessories complete in the all leads and lifts as per direction & entire satisfication of Engineer-in-charge.

Supply of Submersible clear water Pump Set of KSB/Kalama/SU/Johnstion make comprising to latest relevant B.I.S. code. The Pump should be fitted with free flow mpeller of suitable alloys as per BIS 8034-376 with upto date ammendments suitable for clear water having greased packed bearing and shaft with wound stator on motor side and with shaft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP, RPM 2900/1450 of reputed make conforming to Kirloskar/Crompton/NGEF specification latest with upto amendments. The pump shall be fitted with a divice to take up expension of water with the heating of motor. The squirrel cage electric induction motor (Water-proof type of suitable H.P. motor of same make as that of pump confcorming to BIS-9287-1979 latest with upto date ammendments totally dust and water proof for submersible duty isolated from the pump by intermedaite casing with double mechanical seal in oil chamber and greased packed lubricated bearing and providing with stainless thurst bearing plate to with stand the vertical load with minimum wear and tear.It should also be fitted with a divice to take up expansion of water with the heating of motor. The pump should we include water level guards, erection clamps, cable clips and depth guage etc and suitable for operation on data given below:-

Site Conditions:- Total Head 169.66 mtrs Discharge required 1.71 LPS each set. No. of Pump required. 2 Nos 1set act as stand bye. Site Location:- The site is located at Bahri at a distance of Km from Dharampur. The Altitude of :- The Altitude of place is 601.50 mtrs above MSL Type of Current:- AC three phase supply with RateVoltage:- 415+/-10% Charactristics of water a) Ambient b) Turbidity NTU NTU c) Hardness 260 Mg/Ltrs d) PH Value 5.00 HP -- e)Total Solid Mg/Lts)PH Value -- f) Other -- Length of R/main 1345 mtrs Dia of Rising main 50 mm dia. No of working hours. 8 Hours. Limit of Pump (-) 25% (+) 10% of R. M.P. of Pumping 2900 RPM (or to be specified by the tenderer)

Providing and fixing of suitable Star Delta Starter for above pump set of standard make Such as L&T/Havella/MEI conforming to BIS: 8544-1979 latest with upto date ammendments for squirrel cage/slipring motor (make to be specified by the tenderers) mounted on panel board with magnetic type over load release & dashpot, time lag, under voltage release with intial oil filling complete in all respect as per direction and to the entire satisfaction of Engineer-in-charge.

Providing and fixing double flanged Cast Iron sluice 50 mm dia of Kirloskar/Leader make conforming to IS:14846/2000 with up to date amendment as per Class PN-1.00 to withstand in normal seat pressure of 10.20 Kg/cm² including welding with M.S. Flanges table-17 as per IS 6392-1971 including carriage in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-Charge.

Providing and fixing double flange cast iron swing check type reflux valve having by pass arrangement of 50 mm dia of Leader / Kriloskar/ Kartar make conforming to BS 780-1984 with upto date amendments as per class PN-1.00 to withstand a seat pressure of 10.20 Kg / cm2 , Flange Table-17 as per direction and to the entire satisfaction of Engineer-in-Charge.

Providing and laying delivery pipe of 50 mm dia dia. and common header 65 mm dia Heavy class as per IS:-1239-2004 Part-I jointed with MS flanges of table -17 as per IS: 6392-1971 (upto a length of 20 mtrs ) including rappers, flanges, rubber gaskets, nuts and bolts and specials upto 5 mtrs away from the outer wall of pump houses/well as per layout drawings approved by Engineer-in-Charge.

Kuldeep kumar sharma

NAVEEN KUMAR