REPAIRS TO CLEANING OF SEWER LINES AT ARMY AREA MADUKKARAI UNDER AGE (I) COIMBATORE

Amount

Cleaning the existing SGSW/CI/PVC (SWR) Sewage Pipe line of any dia by mechanical means by rodding, jetting and removing all sludge and foreign matters completely and neatly form the pipe line under faul condition (including lines and manholes under blocked/choked condition) and making the sewage lines serviceable for free flow of sewage including blocking of higher level manholes, washing with fresh water to the cleaned line by means of hydraulic/pneumatic/vacuum water jet etc all as specified and directed by Engr-In-Charge. These operation shall be carried out strictly in conformity with the provisions of 'Manual scavenging (Prohibition) Act and by following all mandatory safety provisions

Cleaning of manholes of any size and depth up to 2.00 mtrs under faul condition, by removing MH covers, removing of accumulated liquid, sludge/sediments by mechanical means, transporting the fluid/sludge etc in covered containers by mechanical means and disposing of the same in CPCB approved central STP/ETP facility. Cleaining of the manholes with fresh water and white washing inside MH, including petty repairs of cement mortar/cement concrete 1:2:4, type B-1, using 20 mm graded stone aggregate, patch work on holes if any made by rodents, making good to walls, placing the MH covers back intact in position and setting in cement mortar 1:6 all as directed by Engr-in-charge. These operation shall be carried out strictly in conformity with the provisions of 'Manual scavenging (Prohibition) Act and by following all mandatory safety provisions

Cleaning and removing individual blockages in IWC/EWC by mechanically and removing all sludge and foreign matters completely, neatly and making serviceable for free flow complete all as specified and directed.

All as per item no. 3 above, but for Gully trap/ nahani trap/ floor trap etc including opening the gratings and replacing the covers/ gratings in position and making good complete all as specified and directed.

Cleaning of septic tank/sewage sump/ soak well, by removing of sludge and sediments in dry or mud state by machanical means, transporting the fluids/sludge etc in covered containers by manually or machanically and burying the same in pits where directed including necessary excavation, refill and disposal of surplus soil etc, complete, cleaning of septic tank with water, placing the covers intact and removing bush/vegatation near by septic tank to and extent of 3mts around and removing of sewage water from septic tank/sewage sump/soak well through septic tank cleaning lorries having pumping arrangements and carrying the sewage water in tanks of the lorry, having 5000 litres capacity and disposal of the sewage water 15Km away from outside defence area all as directed.all directed by Engineer - in - charge.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation etc. and getting out in hard/dense soil complete all as specified and directed.

Demolition and breaking up drain pipes (salt glazed drain pipes, AC or RCC) set in cement mortar internal dia of pipes 150/110 mm including under and hanching of any Cement concrete complete all as specified and directed.

S&F 160mm dia, PVC (SWR) pipes single socketed, in any length, laid in trenches, in floors or fixed to walls complete all as specified and directed.

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

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

S&F 110mm dia, PVC (SWR) bends any radius, complete all as specified and directed.

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

S&F 110mm dia, PVC (SWR) junction, single (singleT) equal or unequal with access door complete all as specified and directed.

M&L Concrete bed to 150mm dia drain pipes in PCC 1:4:8 type D-2 including packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

M&L Concrete bed to 100mm dia drain pipes in PCC 1:4:8 type D-2 including packing under and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

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

Removing excavated material not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point as in soils complete all as specified and directed.

Demolition of brick work masonry built in cement mortar complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L Rendering 15 mm thick in cement mortar 1:4 on fair faces of brick or concrete surfaces finished even and smooth with out using extra cement complete all as specified and 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 directed.

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

M&L Cement concrete 1:2:4, Type B1, using 20 mm graded stone aggregate as in benching/copings complete all as specified and directed.

S&F TMT bars 8mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M&L Precast cement concrete 1:2:4 , type B1 using 20mm graded stone aggregate, set in Cement Mortar 1:4 as in cover slabs complete all as specified and directed.

p.chinnasamy

Narendran Enterprises

joepowercorporation

M/S SHAJAHAN BUILDERS

P JAYAPATHY & C0

M/S P ELANGO