Kolkata Municipal Corporation Tender

Design, supply and commissioning of the GRP liner complete in all aspects including manhole rehabilitation and commissioning of the sewer after rehabilitation as mentioned in methodology.

ii) From Gopalnagar Road junction to Kalighat Drainage Pumping Station 1500 mm dia (Circular Shape)

CCTV and Topographical Surveys as mentioned in methodology.

Desilting & taking out of silt by mechanical device, safe disposal of silt, CCTV Survey, delivery of 3 sets of C.D or Cassette, sealing of all joints found leaking with admixture of cement & other suitable chemical, installation or adequate no. of over pumping system leak proof stanking arrangement on U/S & D/S side of working length, temp. rising main to ensure smooth flow of sewerage, supply of all material, labour, tool& plants, temp power connection, with standby generator set of capacity of at least 62.5 KVA, Gas detector, forced air ventilators etc. and provision of safety equipments as per guidelines laid in IS 11972 (1987)/International standard, traffic control arrangement and proper lighting at night, barricading, display of signboards, insurance of workmen & cleaning of site, removal of all hindrances, unforeseen items, permission from other departments, cutting of bituminous road, excavation, demolishing of brick work in taper portion of the M/H & restoring and getting the same constructed complete.

Design, supply and commissioning of the GRP liner complete in all aspects including manhole rehabilitation and commissioning of the sewer after rehabilitation as mentioned in methodology.