REPAIRS AND CLEANING OF SEWAGE LINES, SEPTIC TANKS, DRAINS, SOAK WELL , FLOOR/GULLY TRAPS AT INS DRONACHARYA AND MES COLONY UNDER GE FORT KOCHI

Amount

Demolition of reinforced cement concrete in any position not otherwise specifically provided for, all as specified and and directed.

M& L for precast RCC Cover slabs type B-1, 1:2:4 (20 mm graded stone aggregate as in slabs of drains including necessary form works (Reinforcement will be measured and paid separately) all as specified and directed.

M&L for TMT bar 10mm dia and over cut to length, bent to shape required including cranking bending spiral for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia, all as specified and directed.

Demolition of plain cement concrete in any position not otherwise specifically provided for, all as specified and and directed.

M & L for 1 : 3: 6 type C-2 (using 40 mm graded stone aggregate) for surface channels and drains all as specified and directed.

Extra for forming fair finished drain or channel 30 Cm inner girth in cement concrete ,using extra cement ,including forms ,moulds ,mitred /stopped ends etc, all as specified and directed.

Demolition of brick masonry or cement block masonry built in cement mortar, all as specified and directed.

M & L precast cement concrete block masonry with solid blocks ,exc. 10 cm in width and setting in CM 1:6 type C1 1:3:6 (20 mm graded stone aggregate), all as specified and directed.

M&L Brickwork with subclass `B' bricks, straight or curved on plan exc 6m mean radius, built in CM 1:4 complete, all as specified and directed.

-Ditto- all as per item No 9 but except brick complete all as specified and directed.

Taking out RCC cover slab of septic tank of the following capacity carefully, taking out the sludge including foul water, collect the sludge in closed container and remove from defence land duly followed the instructions laid down by the local Govt. bodies. after complete removal of sludge inlet and outlet pipe, M.S ring and septic tank complete cleaning with fresh water and directed and placing the RCC cover slab in position and set in CM 1:6 complete all as specified and directed: -x the manhole covers, complete all as specified and directed. Removing of sludge will be carried out in running and foul condition. No extra cost is allowed in this regard please Notes :- (i) Volume of the manhole will be worked out based on the depth or actual depth of sludge, whichever is less.(ii) Water shall be procured by the contractor for cleaning purpose.

Taking out RCC cover slab of Manhole of any size, depth not exceeding 1.20m, cleaned carefully, taking out the sludge including foul water, collect the sludge in closed container and remove from defence land duly followed the instructions laid down by the local Govt. bodies. after complete removal of sludge inlet and outlet pipe, and re-fixing the RCC cover slab in position complete all as specified and and directed. Notes :- (i) Removing of sludge will be carried out in running and foul condition. No extra cost is allowed in this regard. (ii) Volume of intercepting chamber will be worked out based on the depth or actual depth of sludge whichever is less. (iii) Water shall be arranged by the contractor for cleaning purpose

M & L for cutting onto existing man holes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate, smooth finished and reforming benching as required complete for 100 mm bore pipe, all as specified and directed.

S&F for PVC (SWR) pipes, 110 mm bore, single socketed, in any length with rubber ring joints, laid in trenches or in floors, all as specified and directed.

M & L for PCC 1:3:6 type C2, using 40 mm graded stone aggregate, as in bed to drain pipes of 110 mm bore, including packing under and hunching against sides of pipes after they are laid and tested, all as specified and directed.

S&F in repairs PVC (SWR) pipes 110 mm single socketed, in any length with solvent cement joints fixed to walls including PVC stack clamps complete all as specified.

-Ditto- all as per item No 16 above but 75 mm dia

Taking down cement plaster of any description from brick or stone walls etc including racking out joint hacking for key scrubbing down with water etc all as specified and directed.

M&L for rendering plaster 15mm thick in CM 1:4, and making surfaces even and smooth without using extra cement all as specified and directed.

M & L for rendering 10mm thick on fair faces of brick work in CM 1:4 as backing coat and 5mm thick in CM 1:4 mixed with water proofing compound as floating coat, finishing even and smooth without using extra cement. (WPC shall be measured and paid separately), all as specified and directed.

Supply only Liquid waterproofing compound, all as specified and directed.

M&L for preparation of new plastered surfaces of walls and applying two coats of cement base paint complete all as specified and and directed.

Cleaning (mechanically)of sewage line/effluent drains 150/110 mm dia and disposing off the sludge outside MoD land complete all and directed. Cleaning will be carried out in running and foul condition. No extra cost is allowed in this regard.

Removing the chokes in drains of WC/bath room/kitchen up to 1st manhole including cleaning of gully traps in single storey/ground floor of multi storeyed buildings, all as specified and directed.

Removing chokes in drains of WC/bath room/kitchen other than ground floor all as specified and directed.

Destruction of growth of weed plants with roots level on wall/ roof of building any height with weedicides such as 'Round up' manufactured by Excel Chemical Industries and sprayed in and around roots and the place of possible growth of weeds as per manufacturer’s instructions and making good the surfaces complete all as specified and and directed. No extra cost is allowed for erection and dismantling of scaffolding and safety measures complete. Notes :-(i) In case of plants that has tree like growth, the plants shall be cut very near the roof/wall and rest treated with chemical solution. (ii) Area after treatment shall be cleared of all debris, branches, dead plants etc.

Cleaning the existing covered drains (after removing the RCC covers) of width exceeding 250 mm and not exceeding 500 mm by clearing all rubbish silt and vegetation (Average depth 150 mm) removing and depositing the debris to a distance not exceeding 150m and re-fixing the covers to its original position complete all as specified and directed

Cleaning the existing drains of width exceeding 250 mm and not exceeding 500 mm by clearing all rubbish silt and vegetation (Average depth 150 mm)removing and depositing the debris to a distance not exceeding 150m complete all as specified and directed

S&F SWR bends 110 mm dia of any radius with access door including eak proof the mouth complete all as specified and directed.

S&F PVC (SWR) bends 75 mm dia of any radius with access door including leak proof the mouth complete all as specified and directed.

S&F PVC vent cowl 110 mm dia, all as specified and directed.

S&F PVC vent cowl 75 mm dia, all as specified and directed.

Excavating in trenches not exc 1.50 m wide and not exc 1.50 m in depth and getting out in soft and loose soil, all as specified and directed.

Returning , filling in, including spreading levelling, watering and well ramming in layer n exc 25 cm, all as specified and directed.

Removing excavated materials and depositing where directed at a distance n.exc 50mtr at a level n exc 1.5 mtr above the starting point, all as specified and directed.

St George Engineering Works (BID ID -3063476)

M-TECH ENGINEERS (BID ID -3072902)

Anaswara Constructions (BID ID -3065931)

SOORYA ASSOCIATES (BID ID -3078975)