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| 1 | Excavating trenches by mechinical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m: |
| 2 | All kinds of soil : Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia |
| 3 | Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth |
| 4 | 1:2:4 (1cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 5 | Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba to dumping ground beyond 5.00 km lead all complete as per direction of Engineer- in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account) |
| 6 | Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same to dumping ground beyond 5.00 km lead, all as per the direction of Engineer-in-charge. |
| 7 | Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150 mm dia upto 300 mm |
| 8 | Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish to dumping ground beyond 5.00 km lead, all as per direction of Engineer-in-Charge. The cleaning shall consistfollowing operations:- (i)Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and otherdeposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge. |
| 9 | Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking of serviceable material within 50 metres lead and disposal of unserviceable material to dumping ground beyond 5.00 km lead: |
| 10 | 100 mm dia pipe |
| 11 | Providing and fixing soil, waste and vent pipes : |
| 12 | 100 mm dia : Centrifugally cast (spun) iron socket & spigot (S&S) pipe as per IS: 3989 |
| 13 | Providing and fixing M.S. holder-bat clamps of approved design to Sand Cast iron/cast iron (spun) pipe embedded in and including cement concrete blocks 10x10x10 cm of 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including cost of cutting holes and making good the walls etc. : |
| 14 | For 100 mm dia pipe |
| 15 | Providing and fixing plain bend of required degree. |
| 16 | 100 mm dia : Sand cast iron S&S as per IS : 3989 |
| 17 | Providing and fixing single equal plain junction of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. |
| 18 | 100x100x100 mm : Sand cast iron S&S as per IS - 3989 |
| 19 | Providing lead caulked joints to spun iron or C.I. pipes and specials, including testing of joints but excluding the cost of pig lead : |
| 20 | 100 mm diameter pipe |
| 21 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work): |
| 22 | 20 mm nominal bore |
| 23 | Providing and fixing PTMT Ball cock of approved quality, colour and make complete with Epoxy coated aluminium rod with L.P./ H.P.H.D. plastic ball. |
| 24 | 20 mm nominal bore, 120 mm long, weighing not less than 198 gms |
| 25 | Providing and placing on terrace (at all floor levels) polyethylene water storagetank,IS : 12701marked,withcoverandsuitablelocking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. |
| 26 | Providing and fixing square-mouth S.W. gully trap class SP-1 complete with C.I. grating brick masonry chamber with water tight C.I. cover with frame of 300 x 300 mm size (inside) the weight of cover to be not less than 4.50 kg and frame to be not less than 2.70 kg as per standard design: |
| 27 | 100x100 mm size P type : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 |
| 28 | Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : |
| 29 | Inside size 90x80 cm and 45 cm deep including C.I. coverwithframe(lightduty) 455x610mminternal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 |
| 30 | Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete : |
| 31 | For pipes 100 to 250 mm diameter |
| 32 | Cleaning of storm water drain/open surface drain/vertical rain water pipe of section upto 1 sqm of various width and depth by removing the RCC covers getting out the brick bats, silt, sludge, building rubbish, and all the foreign materials and disposal the same to dumping ground beyond 5.00 km lead etc. complete as per direction of the Engineer-in-charge. |
| 33 | Cleaning of manholes after removing of cover & refixing after cleaning i/c dewatering and disposal of malba/sludge all lead and lift by mechanical transport to the approved municipal dumping ground beyond 5.00 km lead i/c taking all precautions as per the direction of Engineer-in-charge. (a) circular & rectangular all size manhole depth a) upto 2.00 m deep. |
| 34 | Credit and disposal of old damaged and dismantled Steel/Iron/M.S/G.I and other similar articles (The material will be the property of contractor)Note: Actual weight of the material to be measured for payment. |
