CLEANING AND REPAIRS TO SEWAGE LINE, MANHOLES, SEPTIC TANK WITH ALLIED WORKS AT AFS THANJAVUR.

Amount

Cleaning of existing SGSW / CI / PVC (SWR) sewage line blockage by rodding from manhole to manhole removing and disposing the sludge, silt, debris, solid materials etc, any diamenter of pipe, off domestic and tech area premises testing of sewage line by flushing with water complete all as specified and as directed.

Cleaning of manholes of any size and depth by removing MH covers, removing of accumulated liquid, sludge / sediments by manually / mechanical means, transporting the fluid / sludge etc in covered containers by manually or mechanically and burying the same in pits where directed including necessary excavation refill and disposal of surplus soil etc complete, cleaning with fresh water, placing the MH covers intact in position complete all as specified and as directed.

Cleaning of blockage in nahani trap / floor trap in ground floor and upper floors upto junction of down take pipe, flushing with water including removing the grating, oval access door/cleaning eye etc and refixing the same in position and removing the sludge, silt, debris etc, and deposal the of same off domestic and tech area premises complete all as specified and as directed.

Clearing of blockage in gully trap and / or upto first manhole, flushing with water including removing the top cover and refixing the same in position and removing the sludge, silt, debris etc and disposal of same off domestic and tech area premises complete all as specified and as directed.

Clearing of blockage in water closet (any type in ground floor including in “P” or “S” trap upto junction of down take pipe and / or upto first manhole including removing the access door of bend and refixing the same in position and removing the sludge, silt, debris, solid materials etc, flushing with water and disposal of sludge slit debris, solid materials etc off domestic and technical area premises all as directed. Note:- The rate quoted for the Items 2&3 shall include any excavation, RFR etc that may be necessary for cleaning the blockage. However any pipe requiring replacement will only be measured under appropriate Item here in after.

Clearing of blockage in water closet (any type) in upper floor including in “P” or “S” trap upto junction of downtake pipe including removing the access door of bend and refixing the same in position and removing the sludge silt, debris, solid materials etc, flushing with water and disposal of sludge, slit, debris, solid materials etc off domestic and technical area premises all as specified and as directed.

Cleaning of Grease trap any type of size desilting and dewatering by mechnical means by using sewage tanker vehicales fitted with suction pumps, clearing off shrubs/bushes/vegetation found around 3 mtrs from external edge on all sides of Grease trap and making good to reuse the Grease trap including disposing the sludge, slit, debris, solid materials etc off defence land premises for Grease trap all as specified and as directed. Note :- Cleaning of grease trap for every month before sanitary inspecition.

Cleaning of septic tank by desilting and dewatering by mechnical means by using sewage tanker vehicles fitted with suction pumps, clearing off shrubs / bushes / vegetation found around 3m from external edge on all sides of septic tank and making good to reuse the septic tank including disposing the sludge, silt, debris, solid materials etc off defence land premises for septic tanks of the following sizes of septic tanks all as directed:- Note:- Safety precaution should be followed the cleaning of septic tank during the period of contract if any casualty contractor is the reponsibility.

Masonry septic tank of 25 users capacity

Masonry septic tank of 50 users capacity

Masonry septic tank of 100 users capacity

Masonry septic tank of 200 users capacity

Masonry septic tank of 10 Users capacity

Hume pipe septic tank of 50 Users capacity

Masonry septic tank of 350 users capacity

Masonry septic tank of 150 users capacity

Masonry septic tank of 250 users capacity

Cleaning of soak well by removing the aggregate of filter media by mechanical means or by manual lifting and screeding the material obtained from soak well, well washing and refilling in filter bed, including making food deficient aggregate, clearing off shrubs / bushes / vegetation found around 3m from external edge on all sides of the soak well and making good to reuse the soak well including disposal of powdered aggregate / silt / sludge off domestic and tech area premises of soak wells of the following sizes of all as directed. Note :- Safety precaution should be followed for cleaning of soak well during the period of contract if any causalty, then contractor will be fully reponsible.

Masonry soak well 3000mm dia and 4500 mm deep

Masonry soak well 2400 mm dia and 4500 mm deep

Masonry soak well 1800mm dia and 4500 mm deep

Masonry soak well 2700mm dia and 3000mm deep

Masonry soak well 1200mm dia and 3000mm deep

Masonry soak well 2400 mm dia and 3000mm deep

Cleaning of septic tank/ manholes by dewatering by mechnical means by using sewage tanker vehicales fitted with suction pumps all as directed. (capacity of 8000kg per load). Note:- Safety precaution should be followed for cleaning of septic tank during the period of contract if any casualty, then contractor will be fully reponsible.

Excavation in trenches n.exc. 1.5m wide and n.exc. 1.5m in depth for foundation etc. and getting out in hard / dense soil complete all as specified and as directed.

Excavation in trenches Exc1.5m in depth and n.exc. 3.00m in depth for foundation etc. and getting out in hard / dense soil complete all as specified and as directed.

Returning, filling in, including spreading, watering and well ramming in layers n.exc 25cm thick using soils complete all as specified and as directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point as in soils complete all as specified and as directed.

M&L PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundations filling and mass concrete complete all as specified and as directed.

Demolition of brick work, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

M&L brick work with sub class B bricks straight or curved on plan exc 6 m mean radius built in cm 1:4 complete all as specified and as directed.

M&L cement concrete type B1 1:2:4 (20 mm graded aggregate) as in benching/copings complete all as specified and as directed.

S&F TMT bars 8 to 10 mm dia cut to lengths bent to shape required including cranking bending ,hooking ends and binding with MS wire (annealed) not less than 0.9 mm dia complete all as specified and as directed.

Providing precast cement concrete as in cover slabs (for manholes) type B1 1:2:4 using 20 mm graded aggregate and set in cm 1:4 complete all as specified and as directed.

Rendering 15mm thick in cm 1:4 on fair faces of brick or concrete surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M&L Concrete bed to 200mm bore drain pipes in PCC 1:3:6 type C-2 incl packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and as directed.

M&L Concrete bed to 150 mm bore drain pipes in PCC 1:3:6 type C-2 incl packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and as directed.

M&L Concrete bed to 110 mm bore drain pipes in PCC 1:3:6 type C-2 incl packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and as directed.

S&F in repair 200 mm bore bore UPVC pipes (type-SN4) single socketed, in any length, laid in trenches or in floors complete all as specified and as directed.

S&Fin repair 150mm bore PVC (SWR) pipes single socketed, in any length , laid in trenches or in floors complete all as specified and as directed.

M&L 200mm for Reinforced concretepipes, class NP2, laid and jointed completewith collars complete all as specified and as directed.

M&L 150 mm for Reinforced concrete pipes, class NP2, laid and jointed completewith collars complete all as specified and as directed.

S&Fin repair 110mm dia PVC (SWR) pipes single socketed, in any length, laid in trenches or in Walls complete all as specified and as directed.

Taking down cement plaster on brick/stone walls etc incl raking out joints, hacking for key and scrubbing down with water etc complete all as specified and as directed.

Taking down soil/waste/vent pipes of any description, size 75/110/150/200mm bore incl all fittings, bends etc. complete all as specified and as directed.

M&L PVC (SWR) gully traps 125 x 110 mm, setting and jointing with solvent cement complete all as specified and as directed.

M&L PVC(SWR) floor trap, 75mm dia outlet, plain with grating , jointing with solvent cement, fixed in repairs including filling concrete, making good to surfaces and matching to existing finish/tiling complete all as specified and as directed.

S&F 75mm dia in repair PVC (SWR) vent cowl complete all as specified and as directed.

S&F PVC (SWR) in repair reducers110mm dia to 75mm dia complete all as specified and as directed.

S&F PVC (SWR) in repair bends any radius, 110mm bore with access door complete all as specified and as directed.

S&F PVC (SWR) in repair bends any radius, 75mm dia with access door complete all as specified and as directed.

S&F 75 mm dia in repair PVC (SWR) junction, single (singleT) equal or unequal with access door

S&F 75 mm dia in repair PVC (SWR) pipes single socketed, in any length, laid in trenches, in floors or fixed to walls complete all as specified and as directed.

Cutting in to existing manholes for connecting new drains, making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B1 smooth finished and reforming benching as required for bore of pipe 100/150 mm complete all as specified and as directed.

NITHYASRI AND CO

S.T.S.CONSTRUCTIONS AGENCIES