CLEANING AND REPAIR TO MANHOLES SEWAGE LINES SEWAGE SUMPS THROUGH MECHANICAL MEANS UNDER ZONE C and D UNDER AOR OF AGE BR I 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.

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 sewage sump of any depth by dewatering and removal of sludge by 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 or 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 7.00 above but manholes of depth of manhole exc. 1.5m but n. exc. 3.0m. Note for item No 7.00 & 8.00: The sludge and water obtained while cleaning of manholes using mechanical sucker machine shal be disposed outside MD land as per Govt norms. The quoted rates deem to include above provns .

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. 9.00 above but 150mm bore.

All as per item No. 9.00 above but 200mm bore.

All as per item No. 9.00 above but 300mm bore.

RCC (1:2:4) type B1 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.

Mild steel TMT bars in reinforcement 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 wire (annealed) not less than 0.9mm dia or securing with clips quality conforming to Fe-500D complete all as specified and directed.

PCC (1:2:4) type B-1 using 20mm graded stone aggregate as in surface channel and drain including necessary formwork complete all as specified and directed.

PCC (1:2:4) type B-0 using 12.5 mm graded stone aggregate as in copings, bed plates, kerbs, levelling courses etc., complete all as specified and directed.

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.

Rendering 15mm thick in cement mortar (1:4) on fair faces of brick/ concrete surface finished fair and even without using extra cement 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.

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.

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

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

PCC (1:3:6) type C-2 using 40mm graded stone aggregate as in concrete bed to 150mm bore SGSW drain pipe including packing under and against the sides of pipes with concrete after they are laid and tested complete all as specified and directed.

All as per item No. 23.00 above but 200mm dia pipe.

SGSW pipe 150mm bore laid in trenches and jointed complete with collars including breaking the damaged drain pipe(Salt glazed ware, AC or reinforced concrete) set in cement mortar complete all as specified and directed.

All as per item No. 25.00 above but 200mm dia pipe.

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, returning and filling complete all as specified and directed.

All as per item No. 27.00 above but 200mm dia pipe.

A V ENGINEERING

KS CONSTRUCTIONS

M/SJAYAM CONSTRUCTIONS

Sri Aruna Associates

JVM Construction