CA No GE/H-27/2020-21 NAME OF WORK CLEANING OF SEWAGE LINES AND MANHOLES OF MD/OTM ACCN AT AHRR UNDER GE E/M RR HOSPITAL DELHI CANTT 10

Amount

M & L for cleaning and clearing of underground sewage lines up to 300mm bore (including manholes by taking off manholes covers and refixing the same after cleaning) of any depth by removing any type of blockage including desilting and de-chocking with combine high pressure water jetting cum suction (vacuum) type machine mounted on LCV/HCV and having facilities of high pressure shape nozzle pipe and flushing after cleaning including clearing of manholes complete with required manpower and consumables (sludge/sludge water shall be disposed off at authorized dumping site declared by local administration outside MD land) as directed by Engr-in-Charge.

Note:1. The tenderer shall engage the above mentioned T&P and intimate to Engr-in -Charge in writing with Machine No/Vehicle No etc for their record and prior approval.

2. The T&P as and when brought by the tenderer based on site requirement, the concern site executive shall take a photograph of machine alongwith the supervising staff i.e. JEs and contractor's rep etc and shall kept in record with date.

3. A pucca bound register shall be maintained showing the Machine No/ Vehicle No and their deployment at site mentioning time and date duly signed by concern JE, Engr-in-Charge and contractor and the same register shall be produced while claiming the payment by the tenderer.

Cleaning and clearing of underground sewage lines (including manholes by taking off manholes covers and refixing the same after cleaning) of any description,any depth by removing any type of blockage including de-silting and de-chocking manually by providing Roding and flushing after cleaning including clearing of manholes and as directed by Engg-in- Charge from the following size/bore of sewage lines.

(a) Up to 100mm bore

(b) Up to 150mm bore

(c) Exc 150 mm bore but not exc 300 mm bore

Cleanaing of blockage of EWC, IWC, WHB, floor trap, Sink, Nahani traps including roding CI pipes after opening the oval access door of CI bend, CI branch pieces, soil waste pipe etc by mannual and plaing the existing oval access door in original position incl removing the rubbish / sludge out side, rodding, using wire, vaccume section as suitable and removal of waste at distance 1 km and above and depositing of the waste in a pit burried and covered with earth and refix in same position of gratings with white cement/cement all as per directed by Engr-in-Charge.

M & L for cleaning flushing of chocked and desilting of out door sewage lines n. exc 300mm internal diameter of any depth upto 3 mtr. The cleaning shall be carried out with mechanised operation by means of diesel / electric operated vehicle mounted hydraulic operated high pressure suction - cum- jetting machines fitted with pump of required requisite capacity and the sludge sucked out with Super Succer Machine of required capacity and sent to storage tanks for further disposal to the authorised disposal site. The sludge deposited in sewage line shall be fully cleaned and disposed off the same outside the MOD land at any distance and with any additional cost on the same day when it was taken out. The job shall be carried out with safety precaution equipment and with strict supervision complete all as directed by the Engineer - in - Charge.

Note :- (a) The service provider/ contractor during the mechanized operation shall be equiped with gas monitor , nylon rope ladder, torch light and compressor blower etc alongwith the sewage cleaning truck mounted suction/jetting machine.

(b) Manual cleaning operation/ scavenging is probihited.

(c) The unit rate quoted by the contractor shall interalia deemed to into the cost of providing skilled driver and operator and supervising enginner including provn of water for jettting and removal of sludge/ silt/ liquid/ mud and sand ( In foul position) etc. complete all as specified.

(d) The tenderer shall engage the above mentioned T&P and intimate to Engr-in -Charge in writing with Machine No/Vehicle No etc for their record and prior approval.

(e) The T&P as and when brought by the tenderer based on site requirement, the concern site executive shall take a photograph of machine alongwith the supervising staff i.e. JEs and contractor's rep etc and shall kept in record with date.

(f) A pucca bound register shall be maintained showing the Machine No/ Vehicle No and their deployment at site mentioning time and date duly signed by concern JE, Engr-in-Charge and contractor and the same register shall be produced while claiming the payment by the tenderer.

Desluding and cleaning of existing manholes of any size and depth upto exc 1.0 m but n ex 3.0 mtr with mechanised operation by means of diesel / electric operated vehicle mounted hydraulic operated high pressure suction - cum- jetting machines fitted with pump of required requisite capacity and the sludge sucked out with Super Succer Machine of required capacity and sent to storage tanks for further disposal to the authorised disposal site. The sludge deposited in sewage line shall be fully cleaned and disposed off the same outside the MOD land at any distance and with any additional cost on the same day when it was taken out. The job shall be carried out with safety precaution equipment and with strict supervision complete all as directed by the Engineer - in - Charge.

Notes:-1. The mode of measurement shall be in cum by computing internal dimensions of existing Manholes.The depth shall be mesured from bottom of Manhole upto the top of liquid level.

2. The tenderer shall engage the above mentioned T&P and intimate to Engr-in -Charge in writing with Machine No/Vehicle No etc for their record and prior approval.

3. The T&P as and when brought by the tenderer based on site requirement, the concern site executive shall take a photograph of machine alongwith the supervising staff i.e. JEs and contractor's rep etc and shall kept in record with date.

4. A pucca bound register shall be maintained showing the Machine No/ Vehicle No and their deployment at site mentioning time and date duly signed by concern JE, Engr-in-Charge and contractor and the same register shall be produced while claiming the payment by the tenderer.

S&F in repairs 110 mm dia PVC (SWR) pipes Double socket in any length with rubber ring joints fixed to wall in any position

S&F in repairs 110 mm bore PVC (SWR) bends in any position and any height of bldg .

S&F in repairs MS stack clamps made out of 50x5mm flat iron and 16mm dia round iron stays, with and incl nut, bolt and washer etc, duly fixed to wall or roof by securing ends of stay, suitable for upto 160 mm dia pipe, complete all as directed.

Demolition of brick/stone masonry built in cement mortar incl all quoins, arches, pillars, granite platform etc, complete all as directed.

M&L for brick work built in cement mortar 1 : 6 straight or curved exc 6 m mean radius by using sub class "B" old size brick etc, complete all as directed.

All as per item No 10 above but except bricks(Using serviceable bricks obtained from demolition)

M&L for rendering in 15 mm thick on fair faces of brick work or concrete surface in cement mortar 1:4 if rendering into finished even and smooth (w/o using extra cement) using integral water proofing compound, complete all as directed.

Demolition and breaking upto 150 mm dia drain pipes (salt glazed ware, AC or reinforced concrete) set in cement mortar, complete all as directed.

M & L for cement concrete 1 : 4 : 8, type D-2, using 40 mm graded stone aggregate as in foundation mass concrete, complete all as directed.

M & L for PCC 1 : 3 : 6, C-2 as in concerete bed to drain pipe including packing under and haunching against the all sides of pipe 150 mm bore, complete all as directed.

M & L for 150 mm bore reinforced concrete pipes, class NP2, laid and jointed complete with collers, complete all as directed.

Dismantling cast iron work of any description

S & F 100mm bore cast iron (sand cast) soil waste and vent pipe with cement joints fixed to wall /floor, complete all as directed.

S & F 75mm bore cast iron (sand cast) soil waste and vent pipe with cement joints fixed to walls/floor, complete all as directed.

S & F cast iron bends of any radius diminishing pieces or tapers (larger bore measured) 100 mm bore, complete all as directed.

All as per item No 20 above but bore 75 mm

Excavation in trenches, in hard and dense soil, not exc 1.5 mtr wide and not exc 1.5 mtr deep for foundation, laying sewage lines or for shafts, manholes etc., not exc 10 sqmtr on plan and not exc 1.5 mtr depth etc and getting out excavated material, complete all as directed.

All as per srl item No 22 here-in-above but each additional 1.5 mtr or part thereof in depth beyond the first 1.5 mtr depth.

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

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

M&L for factory made RCC drain cover with cover frame comprising of 75 mm thick cover, area of each cover slab exc 0.5 Sqm & n exc 1.00 sqm including provision of hot dip galvanized lifting hook for lifting overall cover with suitable size angle iron frame, RCC cover of M30 grade concrete by vibro compression process, medium duty, confirming to IS-12592 including fixing on manhole, demolition of existing cover with cover frame and removal of debris from site complete all as specified and as directed. ( Note:The factory made RCC drain cover shall be ISI Marked and as approved by GE)

sony engineering works

MRITUNJYA ASSOCIATES