REPAIR, CLEANING OF SEWAGE LINES, SEPTIC TANKS, MANHOLES AND SOAKAGE WELLS AT ZONE B AREA UNDER GE (ARMY) TRIVANDRUM

Amount

Excavating in trenches in hard/ dense soil, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq.m on plan and not exceeding 1.5 mtr in depth and getting out complete all as specified and directed.

Excavating in trenches in hard/ dense soil, not exceeding 1.5 mtr wide and exceeding 1.5 mtr but not exceeding 3.00 mtr in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq.m on plan and getting out complete all as specified and directed.

Demolition and breaking up 100/ 110 mm internal dia drain pipes (Salt glazed ware, AC, PVC or reinforced concrete) set in cement mortar complete all as specified and directed.

Demolition and breaking up 150/ 160 mm internal dia drain pipes (Salt glazed ware, AC, PVC or reinforced concrete) set in cement mortar complete all as specified and directed.

Taking down 75/ 80 mm bore PVC pipes, any type, including all fittings with spigot and socket ends and cement or rubber gasket joint complete all as specified and directed.

Taking down 100/ 110 mm bore PVC pipes, any type, including all fittings with spigot and socket ends and cement or rubber gasket joint complete all as specified and directed.

M&L for plain cement concrete PCC 1:4:8, type D2, using 40mm graded broken stone aggregate as in foundation of manhole including necessary form work complete all as specified and directed.

Demolition of brick work/ PCC block masonry, built in cement mortar and removing the debris/ rubbish to a distance not exceeding 100m complete all as specified and directed.

Demolition of cement concrete (unreinforced) as in ground floors and paving not exceeding 15cm thickness (below or above ground level) complete all as specified and directed.

M&L for pre-cast cement concrete block masonry type C1, 1:3:6, using 20mm graded aggregate with solid blocks exceeding 10 cm in width and setting in CM 1:6 complete all as specified and directed.

M&L for providing cement concrete 1:2:4, Type B1, using 20 mm graded stone aggregate as in parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, including necessary formwork complete all as specified and directed.

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

M&L for precast cement concrete 1:2:4, type B1, using 20mm graded stone aggregate as in manhole/ Gully trap cover slab set in CM 1:4 including use and waste of necessary form work complete all as specified and directed.

M&L for TMT steel bars 6 to 8 mm dia as in reinforcement for concrete, 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 for rendering 10 mm thick in CM 1:3 on brick work or concrete surfaces mixed with WPC @ 3% by weight of cement, finished even and smooth without using extra cement complete all as specified and directed. Note- WPC shall be measured and paid separately.

Supply only integral water proofing compound.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm using soil obtained from excavation complete all as specified and directed.

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

S&F 100/ 110 mm bore dia PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors including fittings, ISI marked complete all as specified and directed.

S&F 150/ 160 mm bore dia PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors including fittings, ISI marked complete all as specified and directed.

S&F 110mm bore dia PVC (SWR) pipe single socketed, in any length with rubber ring joints and fixed to walls and similar work etc including fittings, complete all as specified and directed.

S&F 75/ 80mm bore dia PVC (SWR) pipe single socketed, in any length with rubber ring joints and fixed to walls and similar work etc including fittings, complete all as specified and directed.

M&L for concrete bed to drain pipes 100/ 110 mm bore dia including forming cradles by using PCC (1:3:6), type C2 using 40 mm graded aggregate including packing under, and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

M&L for concrete bed to drain pipes 150/ 160 mm bore dia including forming cradles by using PCC (1:3:6), type C2 using 40 mm graded aggregate including packing under, and haunching against the sides of pipes after they are laid and tested complete all as specified and directed.

Removing cover including earth soil spread over the cover if any from the frame of septic tanks and receiving chambers remove all night soil, sediments, waste materials from tank of any size etc. irrespective of its height clear off up to the bottom floor mechanically using super jetting machine or by suitable means as ordered and dispose of the materials outside of MD land from the septic tank using mechanical vehicle (Tanker) to pit suitably excavated, placing back the main hole cover to its original position and removing all vegetable roots if any and making good surrounds complete all as specified and directed.

All as per SI item No. 25.00 here-in-before, but manhole of any size, depth of manhole not exceeding 1.5 mtr complete all as specified and directed.

All as per SI item No. 25.00 here-in-before, but manhole of any size, depth of manhole exceeding 1.5mtr and not exceeding 3.00 mtr complete all as specified and directed.

Cleaning of SGSW/ PVC (SWR) pipes sewage line 100/ 110 mm bore dia mechanically and removal of foreign materials complete all as specified and directed.

Cleaning of SGSW/ PVC (SWR) pipes sewage line 150/ 160 mm bore dia mechanically and removal of foreign materials complete all as specified and directed.

Cutting into existing manhole 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 100/ 110/ 160mm bore dia. complete all as specified and directed.

Removal of sewage block in manhole gully trap or in WC kitchen and bathroom including necessary cleaning mechanically or by suitable means as ordered required to remove blockage of any type complete all as specified and directed.

M&L for PVC (SWR) gully trap 110 mm dia, setting and jointing with solvent cement, including dismantling existing defective gully trap complete all as specified and directed.

S&F in repair 75 mm bore dia. PVC (SWR) bend any radius complete all as specified and directed.

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

S&F in repair 110 mm bore dia. PVC (SWR) bend any radius complete all as specified and directed.

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

S&F in repair 75 mm bore dia. PVC (SWR) branch piece, single (single Y) equal or unequal complete all as specified and directed.

S&F in repair 110 mm bore dia. PVC (SWR) branch piece, single (single Y) equal or unequal complete all as specified and directed.

S&F in repair 75 mm bore dia. PVC (SWR) junction single, (Single T) equal or unequal complete all as specified and directed.

S&F in repair 110 mm bore dia. PVC (SWR) junction single, (Single T) equal or unequal complete all as specified and directed.

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

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

S&F in repair 75 mm outer dia PVC (SWR) floor trap, plain with CP grating including jointing with solvent cement of fixing with PCC 1:2:4 type B1 complete all as specified and directed.

Cutting holes into or through brick walls built in cement mortar or cement lime mortar for inserting PVC pipes etc, depth of cutting exceeding half brick wall but not exceeding one brick wall complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for Non-skid coloured ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm,, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed bed in CM 1:6, complete all as specified and directed.

M&L for vitreous China squatting pan water closet, Orissa pattern, size 580x440mm white with integral foot rests (excluding flushing cistern and flush pipe) with 'P' or 'S' trap, provn of lime concrete bedding and jointing to flush pipe including dismantling the existing water closet any type, complete all as specified and directed.

S&F in repair stack clamps out of 50 mm by 5 mm flat iron and 16mm dia round iron stays for 110 mm bore dia of pipes, including bolts and nuts and securing ends of stays to wall or roof and making good disturbed surface as per existing complete all as specified and directed.

M/s G.Ramachandran

SHILPA ENGINEERS AND CONTRACTORS

M/S Vadakkeparambil Electro-Mechanic Service

Satheesh Kumar

DJ GROUP

S K ENGINEERS

N SADANANDAN PILLAI