Restoration of WSS Manali Town in Tehsil Manali Distt. Kullu HP.

Amount

Excavation in foundations, trenches(For pipes and pits).in all kind of soil in all leads and lifts such as pick work, jumper work in saturated/unsaturated soil including bailing out water, blasting work in hard/ soft rock or chiseling in hard/soft rock where blasting is prohibited in all lifts stacking the excavated earth not more than 3 mtrs clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinths sides of each deposited layer by ramming and watering and then disposing of all surplus excavated soil/ unusablle material as directed within all leads and lifts including restoration unmetalled surface to its original condition and including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for access to houses , fencing etc. complete in all respect and to entire staisfaction of Engineer-in-charge with in all leads and lifts

Providing,laying,fixing,jointing and testing in trenches MSERW pipe of following dia meters confirming to (ISO: 3183:2007) X-42 steel grade-A (latest with upto date amendments) having wall thickness as specified below with plain end and capable of withstanding required test pressure in randon length of 4 to 7 meters, including specials,short pieces,bends ,reducers,tees etc, made from parent tube ,providing and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest upto date amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevent BIS standards along with nuts and bolts of required sizes ,3mm thick cpmpressed asbestos fiber/synthetic rubber gaskets confirming to relevent BIS standards. The laying of pipe will include all operation such as cutting,welding,jointing,providing and fixing of ms flanges, fabrication of bends,tees etc.including lowering and laying in excavated trenches to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe.The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevent IS standards and the damaged portion of the pipes and specials made form the parent tube during welding or otherwise shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing complete to the best satisfaction & direction of Engineer in charge with in all leads and lifts. (Earth work in trenches will be measured and paid for separately).

Source to WTP & Main distribution: 350 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm Flange Table-17

250 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm Flange Table-17

200 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm Flange Table-17

Providing butt welding ,laying and testing to levelled grades ,IS marked (galvanised bevelled ended of following diameter / specifications confirming ISO : 3183 ( with upto date ammendments) of steel grades-A L-210 jointing the pipes with butt welding at both end according to relevent BIS standards /approved specificaitons including manifacturing,reducers /tapers all short pieces , and bends as pe site requirements and made from parent tubes ( to be mesured and paid along with pipes) Bends shall be manufacture in such a way that not more than 11-1/4 degree deflection is caused by a single cut and internal dia is not reduced including hydraulic testing to be entire satisfaction of Engineer-in-Charge . The pipes and special shall had in factory galvanized coating as per IS : 4739 (with latest ammendments ) The damaged portion of galvanisation duet o welding shall be provided with anticorrosive treatment by applying two coats of bituminous paint over priming coat as per AWWA specificaiton C- 203-1978 (Earth work to be measured & paid for seperately)

Source to WTP & Main distribution: 350 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm

250 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm

200 mm MSERW pipe Grade X-42 Wall thickness 4.80 mm

Providing circumferencial butt welding joints by electrical arc welding to following dia of G.I.Pipes medium/heavy class welded in requisite number of weld runs 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, confomring 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 the Engineer-in-charge.

G.I Pipe 300mm dia

Excavation in foundations, trenches etc.in all kind of soil in all leads and lifts such as pick work, jumper work in saturated/unsaturated soil including bailing out water, blasting work in hard/ soft rock or chiseling in hard/soft rock where blasting is prohibited in all lifts stacking the excavated earth not more than 3 mtrs clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinths sides of each deposited layer by ramming and watering and then disposing of all surplus excavated earth foundations etc., consolidating as directed within all leads and lifts and handing over the useable materials available from excavation to department free of cost to the entire staisfaction of Engineer-in-charge with in all leads and lifts

Stone/ Boulders filling behind the retaining wall, under floor etc. i/c all leads and lifts complete in all respect.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering, strutting , strutting and propping etc. with wooden, battens, and ballies, height of propping and centring below supporting floor to ceiling not exceeding 3 mtrs.and removal of the same for insitu reinforced concrete and plain concrete work in complete in all respect i/c all leads and lifts and to the entire satisfaction of the Engineer-in-charge.

Vertical surface such as walls(any thickness) partitions and the like including attached pillasters, butteresses, plinth and string courses and the like.

Providing and laying cement concrete 1:4:8 ( 1cement:4 sand: 8 graded stone aggregate 40 mm nominal size )and curing complete excluding the cost of form work in foundation and plinth within all leads and lifts

Providing & laying reinforcement cement concrete 1:1.5:3(1cement:1/2sand:3graded stone agregate of 20mm nominal size) curing complete excluding cost of from work and reinforcemenr for reinforced concrete work in:-

Walls any thikness but not less that 0.10 Mtrs thickness including attached pilasters, buttresses plinth and string courses etc, from top of foundation (level) upto floor two level including all leads and lifts etc. complete in all respect.

Providing & laying Mild steel/Tor steel reinforced for RCC work including bending, binding and placing inposition complete upto floor two level within all leads and lifts complete in all respect and to the entire satisfaction of the Engineer-in-charge.

GANTANTAR THAKUR (BID ID -563589)

SUNNY KAPOOR (BID ID -563630)