CLEANING AND REPAIR OF SEWAGE LINES, SEPTIC TANKS AND MANHOLES IN DOMESTIC AREA AT AF STATION SURATGARH

BOQ (CLEANING AND REPAIR OF SEWAGE LINE, SEPTIC TANK, MANHOLES IN DOMESTIC AREA AT AF STN SURATGARH)

M & L for cleaning of all blockages of Nahni traps/floor traps/bottle traps, blockages of WC's, 100 mm dia CI pipe upto 1st manhole/GT in shafts, vertical CI soil/waste pipe stacks, CI Tee/door bends, grease trap etc to maintain intemd sewage system by employing Safaiwala from 0900 hours to 1700 hours with permissible lunch break at Technical area on daily basis with manual/pressure cleaning pump and flexible rods and other necessary mechanical equipments all as directed by Engr-in-Charge. Note : (i) Supervisors should receive everyday complaint through MES Complaint register for technical area (ii) Penalty @ Rs 500/- per complaint shall be recovered from Contractor in case not attending to each complaint during same working day. (iii) Rate included for all necessary T&P for Mechanical cleaning / manual cleaning shall be provided by Contractor. (iv) The Disposal of mud/silt, sludge & other debris retreived from cleaning time should remove outside of MOD premises complete all as specified and directed by Engr-in-Charge (v) If necessitated by JE/Engr-in-Charge/ GE, contractor will provide to attend the complaints as required on Sunday/ holidays.

Cleaning of manholes upto 1.5 metre depth through Mechanical Appliances and removal of sludge/silt etc outside MOD land including testing of manholes by filling with water complete all as specified and directed by Engr-in-Charge.

De-watering/De-sluding of septic tanks/soakage wells and sewage line/flood sump/Drain by Mechanically by HCV Mounted Suction Discharge Machine having Blow Back Facility with Sludge Tank disposal out side the MoD land, septic tanks/soakage wells of any size/depth complete all as specified and as directed by the Engr-in-Charge

(a) Cleaning/Removal of sewage blockage in the existing line and removing of non-degradable chocking material including cleaning main sewer lines of dia not less than 300 mm of depth exc 1 m and not exc 3.0 m by using high pressure Jetting machine cum (VACUUM SUCTION) by means of "Super Sucker" machine incl plugging/cleaning and dewatering of connection manholes incl removal and disposal of sludge/silt/non degradable material/waste water etc out of MOD land at any distance and with no additional cost on the same day when it was taken out. The job shall be carried out with safety precaution equipment and with strict supervision complete all as specified and directed by Engr in charge Note: (i) Manual cleaning operation is prohibited. (ii) The cleaning shall be carried out with mechanised operation by means of diesel/ electric operated vehicle mounted hydraulic operated high pressure suction-cum jetting machines fitted with pump of required capacity.

All as per srl item No 4 here in before but depth of line exc 3.0 mt and not exc 6.0 mt.

All as per srl item No 4 here in before but depth exc 6.0 mt but not exc 9.0 mt. Complete all as specified and directed.

PVC (SWR) multi floor trap with grating including jointing with solvent cement 75 mm dia out let. Complete all as specified and directed.

S&F 100 bore of pipe stack clamps out of 50 mm by 5 mm flat iron and 16 mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof. Complete all as specified and directed.