REPAIR/ MAINT TO CLEANING OF SEWAGE LINE, DRAIN AND CULVERTS AT TECHNICAL AREA AND OLD PROJECT AREA AT AF STN MANAURI.

Amount

De-watering of dirty water by high capacity submersible pump or motor from septic tank and soak well & removing the same complete as directed by Engineer-in-Charge.

Cleaning & removal of dirty sludge and particle [liquid or semi solid] from Septic tank and soak well of any depth by mechanically with high pressure rotary Jet of 120 bar pressure with vacuum operated pump & removing the sludge/material outside MD land /residential area surface of tank cleaned & 99.99% dry complete as directed by Engineer-in-Charge.

M&L for cleaning or removing blockages from floor trap, manholes, WC, Gully trap by opening and re-fix the covers in position after cleaning complete as specified & directed by Engineer-in-Charge.

M&L cleaning of chocked sewage line of any dia by means of rodding with bamboo or steel rod from Gully trap to manhole, manhole to manhole, manhole to septic tank or manhole to soak well and removing blockages complete all as specified & directed by the Engineer-in-Charge. Note: - Cleaning of manhole & traps shall be measured and paid separately].

Demolition and breaking up drain pipes (Salt glazed stone ware, AC or Reinforced concrete) 150mm dia of pipe set in cement mortar etc complete all as specified and as directed.

M&L for concrete bed to drain pipe of 150mm dia including packing under & hunching against the sides of pipe after they are laid and tested in cement concrete 1:4:8 type D-2 using stone aggregate complete all as specified & directed by the Engineer-in-Charge.

M&L for salt glazed stoneware drain pipe of Grade "A" 150mm dia laid in trenches and jointed in Cement sand mortar 1:2 complete all as specified & directed by the Engineer-in-Charge.

S & F PVC [SWR] pipes single socketed in any length with rubber ring joints fixed to walls of 110mm bore including taking out old CI/AC/PVC pipe including fittings any type complete all as specified & directed.

S&F PVC [SWR] bends, any radius of 110mm bore complete all as specified & directed.

S&F PVC [SWR] vent cowl of 110mm bore complete all as specified & directed.

Demolition of Cement Concrete [Un-reinforced] in ground floors & paving not exceeding 15 cm thickness [below or above ground level] complete all as specified & directed.

M&L for PCC1:4:8 type D-2 using 40mm graded stone aggregate , as in foundation,filling & mass concrete as in sub base to floor etc complete all as specified and directed by Engr-in-charge.

Demolition of brick work built in cement mortar including all quoins, arches, pillars etc complete all as specified & directed.

M & L for brick work with subclass “B” Old size bricks, designation 75, straight or curved on plan exceeding 6 m mean radius built in cement sand mortar in 1:6 complete all as specified & directed.

M & L for brick work with subclass “B” [Except bricks] Old size bricks, straight or curved on plan exceeding 6 m mean radius built in cement sand mortar in 1:6 complete all as specified & directed. Note: Old Bricks shall be used obtained from serial Item No. 13 above.

M&L 15 mm thick rendering in cement sand mortar 1:4 on brick work or concrete surface, surface to be finished even & smooth with out using extra cement complete all as specified & directed.

Demolition of reinforced cement concrete in any position and any description not otherwise specifically provided for complete all as specified and directed by Engineer-in-Charge.

M&L for pre-cast Reinforced Cement Concrete 1:2:4 type B-1 using 20mm graded stone aggregate as in cover slab for manhole /drains or similar works set in CM 1:6 complete as specified & directed by Engineer-in-Charge. Note:- Steel reinforcement shall be measured & paid separately.

M&L 10 mm dia & over mild steel TMT bar cut to length, bend to shape required, including cranking, bending spirally for hooping for columns, hooking and binding with and including mild steel wire [annealed] not less than 0.9mm dia complete all as specified & directed.

S & F in repairs vitreous china squatting pan orissa pattern long pan size 580 x 440mm white with 'P' or 'S' trap, front or back inlet with murga bend and including provision of lime/cement concrete bedding complete

S&F in repairs vitreous china wash down closet (pedestal patern/EWC) pan white with 'P' or 'S' trap including connection to drain or outgoing and to syphonage pipe and including water closet seat, black/white, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device complete.

S & F in repair for brass chromium plated hand jet spray with min 1 mtr flexible tube with hot & cold water supply wall hook, bracket etc complete set of superior quality including necessary connection/fitting arrangement complete all as specified and direction.

S&F in repairs 15mm bore angle stop valve, fancy type PTMT screwed for iron pipe complete

S&F in repairs 15mm bore bib tap, fancy type PTMT screwed for iron pipe complete all as specified and directed.

S&F in repairs 15mm bore pillar tap, fancy type PTMT screwed for iron pipe complete all as specified and directed.

S&F in repairs 32/40mm bore brass chromium plated waste coupling for kitchen sink/WHB with inlet and outlet screwed for pipe or connections inclu necessary packing, union and cap and fixed complete

S&F in repairs PVC valveless, syphonic action type, flushing cistern, low level, white colour capacity 10 liters with inlet and outlet, ball valve, handle including cast iron brackets & 32 mm bore PVC flush pipes, & PVC connection 450mm long 15mm size with brass CP nuts at ends compete all as specified and directed.

S&F in repairs 125/100 mm dia SS grating including jointing to trap fixed in with white cement compete all as specified and directed.

Note :- (i) Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old material. The contract amount shall be arrived at after deduction of Schedule of Credit from the total quoted amount in BOQ. (ii) Make of material shall be as per mentioned in Particular specifications or Appendix 'B' to Particular specifications as approved by AGE (I) AF manauri

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