REPAIR AND MECHANICAL CLEANING OF SEWAGE LINES, MANHOLES, SEWAGE SUMPS AND SEPTIC TANKS IN ZONE E AREA UNDER GE CHENNAI

Amount

Excavation in trenches in hard/ dense soil n. exc. 1.50m wide and n. exc. 1.50m deep for foundation, or for shafts, wells, cesspits, manholes, etc., n. exc. 10 sqm on plan getting out complete all as specified and directed.

All as per item No. 1.00 above but depth exceeding 1.50m and not exceeding 3.00m.

Returning filling in including spreading, leveling, watering & well ramming in layers not exceeding 25cm thick in soft/ loose soil complete all as specified and directed. Note: Surplus earth obtained from excavation for sewage line shall be mounted on line and the same shall be measured and paid in this item only.

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

Desilting of covered drains/ culverts of any size and depth including removal of mud/ soil/ grass and removal/ refixing of cover slabs etc. and disposal of spoil outside the MD land complete all as specified and directed.

Cleaning of septic tank and sumps of any depth by bailing out fluid including removing of sediments, sludge etc. using honey sucker machine complete all as specified and directed.

Cleaning of choked water closet/ gully trap/ floor trap of bath room/ kitchen/ wash basin upto first manhole complete all as specified and directed. Note: (i) Contractor shall collect complaint slips from complaint cell of AGE B/R-I by 9:30 HRS and ensure rectification of complaint within 24 HRS. In case, the contractor fails to rectify the complaint within specified period, recovery @ Rs. 500/- per day per complaint shall be affected from the contractor's dues.

Cleaning of manholes of any size and not exc. 1.5m depth by mechanical means including lifting, removing sludge, water and cleaning with water including cutting grass, vegetation and bushes to a width of 60cm alround the manhole complete all as specified and directed.

All as per item No 8.00 above but manholes of depth of manhole exc. 1.5m but n. exc. 3.0m. Note for item No 8.00 & 9.00: The quoted rates shall be deemed to include for removal of sludge and water obtained while cleaning outside MD land in mechanical sucker.

Roding and cleaning of 100mm bore sewage line of any depth between gully trap & manhole/ two adjoining manholes with jet roding machine by mechanical means with jet pressure pump and removing all foreign material and sludge from pipe line and making the line functional complete all as specified and directed.

All as per item No. 10.00 above but 150mm bore.

All as per item No. 10.00 above but 200mm bore.

M&L for RCC (1:1½:3) type A-1 using 20mm graded stone aggregate as in precast cover slab with plain faces for manholes set in cement mortar (1:4) including necessary form work complete including demolition of existing damaged concrete cover slab, separating, scraping and cleaning reinforcement and removing the rubbish off the premises outside Defence land complete all as specified and directed.

M&L for PCC (1:3:6) type C-1 using 20mm graded stone aggregate as in coping, kerbs, channels, water troughs and the like including weathering, slightly rounded or chamfered angles and throating etc. including necessary formwork complete all as specified and directed.

M&L for brick work with fly ash bricks straight or curved on plan exceeding 6 metre mean radius with old size bricks built in cement mortar (1:4) complete all as specified and directed.

M&L for plain mild steel bars of 10mm dia cut to length, bent to shape required as in handles for cover slabs using Gde 1 steel as per IS-432 (Part-1) complete all as specified and directed.

M&L mild steel TMT bars in reinforcement 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.

Taking down cement plaster on brick work or stone walls etc including racking out of joint, hacking for key, scrubbing down with water etc. and removing the debris outside MD land complete all as specified and as directed.

M&L rendering 15mm thick in cement mortar (1:6) on fair faces of brick/ concrete surface finished even and smooth without using extra cement complete all as specified and directed.

S&F 75mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall etc. including demolition and breaking up existing pipe complete all as specified and directed.

S&F 110mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall etc. including demolition and breaking up existing pipe complete all as specified and directed.

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

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

S&F PVC (SWR) branch piece single 'Y' equal or unequal 75mm bore with access door complete all as specified and directed.

S&F PVC (SWR) branch piece single 'Y' equal or unequal 110mm bore with access door complete all as specified and directed.

S&F PVC (SWR) vent cowl suitable for 75mm dia vent pipe complete all as specified and directed.

S&F PVC (SWR) vent cowl suitable for 110mm dia vent pipe complete all as specified and directed.

M&L for cement concrete (1:3:6) type C-2 using 40mm graded stone aggregate as in concrete bed to 110mm dia PVC (SWR) pipe including packing under and completely surrounding the pipe after they are laid and tested complete all as specified and as directed.

All as per item No. 28.00 above but 160mm dia pipe.

M&L for PVC (SWR) pipes of 110mm dia., single socketed in any length with rubber rings, laid in trenches and set in solvent including demolition and breaking up unserviceable pipe alongwith packing and haunching concrete and removing debris complete all as specified and directed.

All as per item No. 30.00 above but 160mm dia pipe.

S&F in repairs PTMT grating doom 100mm dia (minimum weight 25gms) complete all as specified and directed.

M&L for puncturing SGSW pipe of 150mm internal dia for clearing blockages and sealing with piece of pipe and concreting around the pipe including necessary excavation and earth work in any type of soil complete all as specified and directed.

Demolition of cement concrete of any description and in any situation not otherwise specifically provided for including removal of debris to outside MD land complete all as specified and directed.

Demolition of brick masonry built in cement mortar including all quoins/ arches/ pillars etc. but excluding ashlars facings, dressed stone work, precast concrete articles and disposing off the rubbish debris outside MD land complete all as specified and directed.

VICTORY AND CO