CLEANING OF SEPTIC TANK MAN HOLES AND REPAIRS TO SEWAGE LINE MANHOLES AT AF STN CARNICOBAR.

Amount

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 burried the same in earth pit below 30 cm of the ground level with in the defence land where directed by the Engineer-in-charge to a distance exc 250 m and n.exc 500 m, returning, filling in the earth in excavated pit after complete removal of sludge from the container, inlet and outlet pipe, M.S ring and septic tank complete cleaning with fresh water as directed and placing the RCC cover slab in position and set in CM 1:6 complete all as specified and directed

(a) 200 Users capacity septic tank and grease trap of messes

(b) 100 users capacity

(c) 50 users capacity

(d) 25 users capacity

Cleaning of man holes of any size depth n.exc 60 cm to cleaned all as per item 1 here in before complete all as specified and as directed.

Cleaning of man holes of any size depth exc 60 cm and n.exc 1.20 mtr cleaned all as per item 1 here in before complete all as specified and as directed.

Cleaning man holes of any size depth exc 1.20 sqm cleaned all as specified all as per item No 1 here in before all as specified and directed

Cleaning of chocked sewage line of any description and any dia from man hole to man hole cleaning the line with cleaning rod and binding wire and flush with fresh water and disposed off the sludge all as specified and directed

Cleaning of blockage of floor trap, gully trap, IWC/EWC etc complete all as specified and as directed.

Demolition of reinforced cement concrete of any description as in man hole / septic tank cover slabs in any position complete all as specified and as directed.

M&L for RCC type B1 1:2:4 (20 mm graded aggregate) as in slab supported on walls,beams and column in floors, roofs, landings, Balconies ,deck slabs and in shelves all as specified and as directed

M&L form work to soffit of suspended slabs such as roof slab, floor slabs, landings and similar work not exc.200mm thick (Horizontal or sloping) complete all as specified and directed

M&L Broken stone boulders, aggregate for loose filling of gauge exc 63 mm and n. exc. 100 mm all as specified and as directed.

M&L 75mm thick PCC 1:4:8, type D2, using 40mm graded aggregate as in sub base of floor complete all as specified and directed..

M&L for precast reinforced cement concrete type B1, (1:2:4) with using (20 mm graded stone aggregate) as in man hole / septic tank cover slab set in CM 1:4 all as specified and as directed

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

Demolition of brick work / stone block masonary built in cement mortar of any despciption and at any position complete all as specified and as directed.

M&L for providing precast cement concrete type C1, 1:3:6 (20 mm graded stone aggregate) solid blocks exc. 10 cm in width and setting in cement mortar 1:4 complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specially provided for coping, benching etc complete all as specified and as directed.

M&L for providng PCC 1:2:4 type B-1(20 mm graded aggregate) as in benching and coping complete all as specified and as directed.

M&L for rendering 15 mm thick on fair faces of concrete wall surface in cement mortar 1:4 and finishing the surface even and smooth without using extra cement complete all as specified and as directed.

Excavation in trenches n.exc 1.50 m wide and n.exc 1.50 m in depth for foundation etc or for shafts, wells, cess pits, man holes, pier holes etc n.exc 10 sqm on plan and n.exc 1.50 m in depth and getting out soft / loose soil complete all as specified and as directed.

Dismantling of cast iron or reinforced concrete drain pipes 100mm dia (internal) jointed in cement mortar including PCC haunching and bed concretes and taking out of trenches if required (excavation in trenches will measured and paid separately) complete all as specified and as directed.

All as per item No 20 above but dia of pipe 150 mm complete all as specified and as directed.

M&L for concrete bed to drains to drain pipes including packing under and completely sorrounding pipes with cement concrete 1:3:6 type C2, with using 40 mm graded stone aggregate after they are laid and tested in for 100 mm dia pipe complete all as specified and as directed.

All as per item No 22 above but dia of pipe 150 mm complete all as specified and as directed.

S&F (spun pipes) cast iron soil, waste and vent pipes 100 mm dia in any length with or without ears, with cement joints laid in trenches or on floor complete all as specified and as directed.

All as per item No 23 above but dia of pipe 150 mm complete all as specified and as directed.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and as directed.

Removing excavated material (soil) exc 50 m n.exc 250 m and depositing where as directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed.

Demolition and breaking up drain pipes upto 100 mm dia (Salt glazed ware, AC or Reinforced concrete) set in cement mortar

S&F PVC (SWR) pipes 110 mm dia. single socketed, in any length with rubber ring joints, fixed to wall complete all as specified and as directed.

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

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

S&F PVC (SWR) 110mm bore vent cowl complete all as specified and as directed.

S&F PVC (SWR) pipes 75 mm dia. single socketed, in any length with rubber ring joints, fixed to wall complete all as specified and as directed.

S&F PVC (SWR) bend 75 mm dia with access door complete all as specified and as directed.

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

S&F cast iron floor trap 100 mm dia with gratings includings jointing to waste pipe fixed in cement concrete type B-1 1:2:4 complete all as specified and as directed.

S&F cast iron floor trap 75mm dia with gratings includings jointing to waste pipe fixed in cement concrete type B-1 1:2:4 complete all as specified and as directed.

S&F PVC (SWR) gully trap 125/110mm,setting and jointing with solvent cement concrete type B-1 1:2:4 complete all as specified and as directed.

Preparation of old plastered / unlplastered surfaces of walls and applying one coat of cement base paint complete all as specified and directed.

M&L for Cutting and trimming of grass to natural ground, removing of vegetation, grass/shrubs with roots/ground level (as per ground requirement) and removing the spoil /vegetation to a distance where directed exc. 10m and n.exc. 50m and depositing not more than 1.5m above from the starting point, with labour and T&P complete all as specified and directed.

Excavating over areas, n exc 1.5 m deep and getting out oft / loose soil complete all as specified and as directed.

Tropical Refrigeration (BID ID -3250850)

M/s Karbhagam Sales Agency (BID ID -3251160)

Chandra Construction Enterprises (BID ID -3250924)

SK CONSTRUCTION (BID ID -3250986)

KRISHNA TRADING COMPANY (BID ID -3251362)

Ravi Enterprises (BID ID -3251256)