COMPREHENSIVE UPKEEP AND DESILTING OF SEWAGE SYSTEMS INCLUDING SEWER LINES, MANHOLES, SOAK PITS, SEPTICS TANKS AND DRAINAGE NETWORKS AT PONDA ARMY CAMP UNDER GE PANAJI

Removing and cleaning of any type of blockage arising out of choked water closets, gully traps, Nahani traps, floor traps etc. and removing the mud/sludge to a distance exc 250m and buried in trench using necessary tools and plants required for cleaning of blockage etc complete all as specified & directed.

All as per item no 1 above but for manholes chamber of any size

M&L for cleaning and removing off sludge, soil,mudetc.from sewage pipe lines of any type and any dia by roding with MS rod/bamboo strips (tied with juts/emery bags) by pressure pump between manholes to manholes and incl cleaning of P or S trap of bathroom and WC and finally flushing down with water and removing sludge from manholes and deposit in trenches incl sprinkling of bleaching powder over the area of trench and incl necessary excavation and earthwork in soft/loose soil, complete allas specified and directed. Note : The waste removal/ cleaning of sewage lines shall be cleaned through mechanically operated jetting system only.

Dewatering of septic tank and manholes any size and cleaning by taking out solid content/sludge from septic tank and manholes of any depth using mechanical means i.e mechanical sucker with pump set to remove mud/sludge/muck/human excreta in foul conditions and confined places, getting out and removing the sludge to a distance exc 250m and n.exc 500m and deposited where directed in and including borrow pits and covering the borrow pits with 10cms thick layer of soil complete all as specified and directed. Note : 1. The waste shall be removed through mechanically operated sewage sucker only. 2. The sewage sucker shall be made availiable by contractor at Ponda Camp area during office hours whenever called for. Recovery @ Rs. 2000/day shall be effected for delay in removing mud/sludge etc.

Excavation in trenches not exceeding 1.5 metre width and not exceeding 1.5 metre deep, in soft/disintegrated rock for foundation, laying of pipes, wells, cesspits, manhole, pier holes & getting out complete all as specified and as directed by the Engineer-in-Charge

Returning, filling in trenches including spreading, leveling watering and well ramming in layers not exc 25 cm thick complete all as specified and as directed by the Engineer-in-Charge.

Removing excavated material to distance not exc 50 metre and depositing where directed at a level n.exc 1.5 metre above the starting point complete all as specified and as directed by Engineer-in-Charge

Demolition and breaking up of drain pipes (salt glazed ware or AC or reinforced cement concrete/ PVC SWR pipe) set in cement mortar of 150 mm dia complete all as specified and as directed by the Engineer-in-Charge

Demolition and breaking up of drain pipes (salt glazed ware or AC or reinforced cement concrete/ PVC SWR pipe) set in cement mortar of 200 mm dia complete all as specified and as directed by the Engineer-in-Charge

Supply and Laying for SN8 HDPE (DWC) pipes of 150mm bore internal dia, laid and jointed floor complete with elastomeric ring and coupler, and including testing all as specified and directed. Note- 1. Sewage line shall be laid down after cleaning of mud/sludge/muck/human excreta in foul conditions (through mechanical means), getting out and removing sludge to a dis exec 250m and n. exec 500m where directed in and including borrow pits and covering the borrow pits with 10cms layer of soil complete. 2. The blocking and unblocking of existing manholes for laying of pipes shall be included in this item and shall not be paid separately.