Repair Renewal and cleaning of blockage in sewage lines soil waste and sanitary pipes manholes septic tanks in high rise and other building at AGE B/R II under GE (I) (CG) Chennai

Amount

Comprehensive maintenance of sewage system consisting of sewage lines,manholes of various sizes and depth, floor/ Nahani trap/ gully trap, water closet of various sizes in buildings including removal of blockage /clogging in sewage lines located at ICGAS Chennai.

All as per item No.1 here in before but for buildings located at CGRA Meenambakkam Thalakkancherry.

Note for SI Item Nos: 1 and 2 :- The unit rate quoted by the tenderer shall be inclusive of employing sufficient number of persons/T&P for attending day to day maintenance of sewage lines and accordingly the unit rate shall be arrived at, No extra cost what so ever shall be admissible on this account.The tenderers are advised to visit the work site and assess the quantum of work to be executed before quoting the tender. However it is expected to employ minimum two persons per each area on daily basis mentioned in item Nos :01&02 respectively irrespective of complaints For every group of areas a register shall be maintained to show the date and time of complaint and date and time of rectification duly signed by a rep of users of the unit concerned and countersigned by JE/AGE. Failure to rectify any blockage/complaint in 24 hours time will attract a penalty of Rs 500/- per complaint.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m in depth for foundation, etc., and getting out in hard / dense soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soils complete all as specified and as directed.

Removing excavated soil exceeding 500m and not exceeding 1.5 km and depositing, levelled not exceeding 1.5m from GL where directed complete all as specified and as directed.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including removal of debris off the premises to a distance not exceeding 100 metres complete all as specified and as directed.

Material and labour for Plain Cement concrete 1:3:6, type C-2, using 40mm graded stone aggregate as in foundation, filling & mass concrete complete all as specified and as directed.

Material and labour for Brick work with fly ash bricks in CM 1:4 straight or curved on plan exceeding 6 meters mean radius complete all as specified and as directed.

Material and labour for Rendering 15mm thick on fair faces of brick or concrete surfaces in CM 1:3 mixed with water proofing compound finished fair and even without using extra cement complete all as specified and as directed. Note: Water proofing compound shall be measured and paid separately.

Supply only integral water proofing compound complete all as specified and as directed.Make:Impermo/Roff/Fosroc

Material and labour for Rendering 15mm thick on fair faces of brick or concrete surfaces in CM 1:4 finished fair and even without using extra cement complete all as specified and as directed.

Demolition and breaking up drain pipe, 150 mm dia( salt glazed stone ware) set in cement mortar laid in trenches including removal of debris off the premises not exceeding 100 meters complete all as specified and as directed.

Material and labour for Salt glazed stone ware drain pipes grade "A" 150mm internal dia laid in trenches and jointed in cement mortar 1:1 including testing complete all as specified and as directed.Make:TSL/ BIC/ NECO Note: Excavation and earth work shall be measured and paid separately.

Dismantling of rain water pipe and sewage line pipes of any type and size including all fittings and removal of debris off the premises not exceeding 100 metres complete all as specified and as directed.

Supply and fix 110mm dia PVC (SWR) pipe single socketed in any length with rubber ring joints laid in trenches or in floors /fixed to walls with clamps complete all as specified and as directed.Make:Finolex/Trubore/Supreme

Supply and fix 75mm dia PVC (SWR) pipe single socketed in any length with rubber ring joints laid in trenches or in floors / fixed to walls with clamps complete all as specified and as directed.Make:Finolex/Trubore/Supreme

Supply and fix PVC (SWR) bend ,any radius ,110 mm bore fitted with oval access door complete all as specified and as directed..Make:Finolex/Trubore/Supreme

Supply and fix PVC (SWR) bend ,any radius ,110 mm bore complete all as specified and as directed..Make:Finolex/Trubore/Supreme

Supply and fix PVC (SWR) bend ,any radius ,75 mm bore fitted with oval access door complete all as specified and as directed..Make:Finolex/Trubore/Supreme

Supply and fix PVC (SWR) reducers ,any radius ,110 mm bore complete all as specified and as directed..Make:Finolex/Trubore/Supreme

Supply and fix 110 mm bore PVC(SWR) junction single,(Single T) equal or unequal provided with access door complete all as specified and as directed..Make:Finolex/Trubore/Supreme

Supply and fix PVC(SWR)vent cowl 75 mm dia .Make:Finolex/Trubore/Supreme

Material and labour for PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in concrete bed to drain pipes of 150 mm dia including packing under, and haunching against the sides of pipes after they are laid and tested complete all as specified and as directed.

Material and labour for plain cement concrete Type-B1(1:2:4 ) (using 20 mm graded stone aggregate) as in coping, benching to manholes and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work complete all as specifed and as directed.

Demolition of Reinforced Cement Concrete of any description and in any position including removal of debris off the premises to a distance not exceeding 100 metres complete all as specified and as directed.

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

Material and labour for precast cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate as in man hole/gully trap cover slabs (for man holes/gully trap etc) set in cement mortar 1:4 including necessary form work complete all as specified and as directed.

Cleaning of septic tank including removal of Sludge/waste water outside MD land using mechanical sewage sucking arrangement considering 1000 litres of sewage per unit (one Cum) and washing with water etc including applying disinfectant etc of various capacity of tanks complete all as specified and as directed. Note: Rate quoted by the contractor shall be deemed to include for the safety precautions of the contractor men working in foul condition including insurance cover for the tradesman employed by them.

Sri Sankar Enterprises