GE/CHM-73/2023-2024 REPAIR / REPLACEMENT INCLUDING CLEANING OF SEWAGE LINE/MANHOLES OF OTM IN THE AOR OF AGE B/R-III AT CHANDIMANDIR

Amount

100mm bore cast iron soil , waste and vent pipes in any length, with or without ears with cement joints, laid in trenches or in floors or fixed on walls, fixed in repairs, complete all as specified and directed.

All as per serial item No 01 herein before but 75 mm bore of pipes.

Cleaning of blockage from Water Closet (Indian or European) , trap & CI pipe line upto first manhole manually by rodding, pumping, etc complete all as directed.

All as per serial item No 3 herein before but from Floor / Nahni trap of Kitchen / Bathroom upto gully trap (excluding gully trap).

All as per serial item No 3 herein before but from Gully trap upto first manhole. NOTE for serial item No 1 to 5 :- (i) The rates quoted in the above item includes cost of T&P likd rods, bamboos and other safety devices etc complete. (ii) Contractor shall deployed sufficient number of persons as per requirement /as decided by Engineeer-in-Charge who shall be present on all working days from 0900 hrs to 1700 hrs for maintenance of sewage lines. The persons will be detailed by JE / AGE concerned every morning for attending complaints on daily basis. (iii) Complaint shall be rectified within 06 hours in receipt of complaint. A sum of Rs. 250/- per complaint per day will be recovered from payment of contractor if the complaint is not cleared with 24 hours.

Excavation in trenches in hard/dense soil not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation etc. or for shafts, wells cesspits, manholes, pier hole etc. and getting out, complete all as specified.

All as per srl item No 6 here in before but depth exc 1.50 m but n exc 3.0 m , complete all as specified.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm depth , complete all as specified and directed.

Removal of excavated material to distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point , complete all as specified and directed.

Demolition and breaking up drain pipes (stone ware/AC/RCC drain pipes etc) internal dia of pipe 150mm, set in cement mortar including PCC packing in bed and hunching complete, all as specified and directed. Note:Excavation and earth work shall be measured and paid separately.

All as per serial item No 10 here-in-before but internal dia of pipe 200mm.

All as per serial item No 10 here-in-before but internal dia of pipe 300mm .

Plain cement concrete type D-2, 1:4:8 using 40mm graded crushed stone aggregate as in bed to drain pipes including cradle of 150mm bore pipe after the pipes are laid and tested , complete all as specified and directed.

All as per serial item No 13 herein before but for 200mm bore pipe.

All as per serial item No 13 herein before but for 300mm bore pipe .

Salt-glazed stoneware drain pipes, 150 mm bore, laid in trench and jointed as specified, complete with collars, all as specified and directed.

All as per serial item No 16 here-in-before but internal dia of pipe 200mm .

Reinforced concrete pipes, 150 mm bore class NP2, laid in trench and jointed, complete with collars , all as specified and directed.

All as per serial item No 18 herein before but 200mm bore pipe.

All as per serial item No 18 herein before but 300mm bore pipe .

Demolition of brickwork built in cement mortar or cement lime mortar, complete all as specified and directed

Brick work, with sub class 'B' brick straight or curved on plan exc 6m means radius, built in cement mortor (1: 4) as in manholes, septic tanks, soakage well etc , complete all as specified and as directed .

All as per serial item No. 22 herein before but except bricks .

Rendering 15mm thick on brick masonary in cement mortar (1:4), finishing surfaces even and smooth without using extra cement, complete all as specified and as directed.

Excavation in any type of soil (hard/dense or mud) for getting out puncturing or existing damaged/broken or otherwise nonfunctional salt glazed stone ware pipe upto 150 mm dia bore (length of pipe 60 cm) , and supply and fixing salt glazed stone ware pipe of dia upto 150 mm bore (length of pipe 60 cm), ISI Marked including PCC 1:3:6, type C-2 in bed and haunching as required, jointing with existing line, returning, filling in and well ramming the soil and removal of surplus soil to a distance n.exc 50 mtrs and deposited where directed , complete all as directed.

All as per serial item No 25 herein before but for 200mm bore of pipe.

PVC (SWR) floor trap 75mm bore, plain with grating incl jointing with solvent cement, fixed as in repairs, complete all as specified and directed.

Cast iron 75mm bore branch pieces ,equal or unequal or inverted (spigot socketed type or with parallel branches fitted with oval excess door), fixed as in repairs, complete all as specified and directed.

All as per item No. 28 herein before but for 100mm bore pipe.

Cast iron bends (any radius), diminishing pieces or tapers (largrer bore measured), suitable for 75 mm bore pipes, ISI marked, fixed as in repairs, complete all as specified.

All as per item No. 30 herein before but for 100mm bore .

Stack clamps for 75mm bore pipe, made out of 30mm x 5mm size, flat iron round stays, including screws/nails and securing ends of stays to wall or roof, fixed as in repairs, complete all as specified and directed.

All as per serial item No 32 herein before but for 100mm bore pipes .

Cast Iron inspection lid of size 75 mm dia for soil and waste pipe including nuts, bolts etc, fixed as in repairs, complete all as specified and directed.

All as per serial item No 34 herein before but for 100mm bore pipes .

Demolition of Concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed.

Plain cement mortar 1:3:6 (type C-1 using 20mm graded aggregate), 75mm thick as in Plinth protection , finishing cement concrete even and smooth without using extra cement, all as specified.

Removing /cleaning away all grass vegetation,saplings, shrubs,undergrowth and trees not exceeding 30cms girth and removing rubbish upto a distance not exc. 50m, complete all as specified and directed.

Precast factory made RCC manhole covers of size 450 mmX450 mm X75mm, as in cover slab of gully trap including RCC ring/frame, set in CM(1:4), as in repairs, complete all as specified.

Pre cast factory made RCC man hole covers of size 600mmx600x75mm thick including rcc ring/frame set in cement mortar (1:4), fixed in repairs, complete all as specified and directed.

Precast factory made RCC manhole and drain covers/slab of size 600 mmX 1200 mm X 100 mm encased in MS frame of 3mm thickness, fixed in repairs, complete all as specified and directed.

Precast factory made RCC manhole and drain covers/slab of size 600 mmX 1500 mm X 100 mm encased in MS frame of 3mm thickness, fixed in repairs, complete all as specified and directed.

PVC (SWR) pipes, 75mm bore, single socketed in any length with rubber ring joints, laid in trenches or in floors, fixed as in repairs, complete all as specified and directed.

All as per serial item No 43 herein before but 110mm bore of pipe.

PVC (SWR) pipe, 110mm bore, single socketed in any length with rubber ring joints, fixed to walls with MS clamps made out of flat iron of size 25mm x 3mm including nuts bolts etc, fixed in repairs, complete all as specified and directed.

PVC (SWR) bend any radius for 75mm bore pipe, fixed as in repairs, complete all as specified and directed.

All as per serial item No 46 herein before but 110mm bore of pipe .

Clearing and desilting of manholes of size n.exc 1.20m x 1.20m and depth n.exc 1.5m and removing the sludge to a distance exc 250m and n.exc 500m and depostied where directed in and including borrow pits and covering the borrow pits with 10 cms thick layer of soil, including pumping out liquid and liquid sludge if required , complete all as specified and directed.

Clearing and desilting of manholes of size n.exc 1.20m x 1.20m and depth exc 1.5m but n. exc 3 m and removing the sludge to a distance exc 250m and n.exc 500m and depostied where directed in and including borrow pits and covering the borrow pits with 10 cms thick layer of soil including pumping out liquid and liquid sludge with pumping machince, complete all as specified and directed.

Clearing and desilting of manholes of size n.exc 1.20m x 1.20m and depth exc 3.0m but n. exc 4.50 m and removing the sludge to a distance exc 250m and n.exc 500m and depostied where directed in and including borrow pits and covering the borrow pits with 10 cms thick layer of soil including pumping out liquid and liquid sludge with pumping machince, complete all as specified and directed.

Clearing and desilting of manholes of size n.exc 1.20m x 1.20m and depth exc 4.50m but n. exc 6.0 m and removing the sludge to a distance exc 250m and n.exc 500m and depostied where directed in and including borrow pits and covering the borrow pits with 10 cms thick layer of soil including pumping out liquid and liquid sludge with pumping machince, complete all as specified and directed.

Cleaning and clearing of underground sewage line upto 300 mm bore pipe of any description, underground at any depth , (including manholes by taking off manhole covers and re-fixing the same after cleaning) removing any type of blockage including de-silting and de-chocking with combined high pressure water jetting cum suction (vaccum) type machine mounted on LCV/HCV and having facilities of high pressure shape nozzle pipe and flushing after cleaning of manholes, all as directed by Engineer-in-Charge. Note:sludge/sludge water shall be disposed off at authorized dumping site declared by local administration, duly covered in a hygienic manner while transporting outside MOD land.

Demolition of cement concrete (reinforced) of any description and in any position complete all as specified and directed.

Precast reinforced cement concrete type B-1, 1:2:4 using (20 mm graded crushed stone aggregate) as in man hole covers / slabs etc, set in cement mortar 1:4, complete all as specified and directed.

MS TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hoping for columns, hooking ends and binding with mild steel wire (annealed ) not less than 0.9 mm dia, all as specified and directed.

All as above item No 55 here-in - before but 6mm to 8mm dia bars.

M/s Krishan Aggarwal