REPAIR TO SEWAGE LINE, DRAIN, FENCING AND HARDSTANDING AT AIR FORCE STATION BARWALA UNDER AGE (I) HIGHGROUND CHANDIGARH

Cleaning of underground sewage lines of 100 mm /150 mm mm bore from solid/ liquid/ mud deposited in these lines manually by rodding with sewage drainage rods through connecting manholes and removing sludge to a distance not exc 500 m from outside periphery of defence land including cleaning sludge/ solid deposited from the ends as well as from intermediate manholes coming between these lines taking off & refixing of manhole covers, complete all as specified and directed. Note: (a) Rates quoted against the items shall deemed to include for all T&P and safety measures of workers/ safaiwalas. (b) The lines measured once can not measured again within 3 months. If blockage in the same lines re-occur within 3 months the contractor will clean again & nothing will be paid extra for this.

Cleaning of underground sewage lines of 200 mm/300 mm bore from solid/ liquid/ mud deposited in these lines manually by rodding with sewage drainage rods through connecting manholes and removing sludge to a distance not exc 500 m from outside periphery of defence land including cleaning sludge/ solid deposited from the ends as well as from intermediate manholes coming between these lines taking off & refixing of manhole covers, complete all as specified and directed. Note: (a) Rates quoted against the items shall deemed to include for all T&P and safety measures of workers/ safaiwalas. (b) The lines measured once can not measured again within 3 months. If blockage in the same lines re-occur within 3 months the contractor will clean again & nothing will be paid extra for this.

Cleaning of underground sewage lines of 100 to 300 mm bore by excavation and breaking (minimum two length) and removing the blockage, laying new pipes, re-jointing with old pipes including haunching the new pipes with PCC (1:3:6), type C-2, using 40 mm graded aggregate in all locations where cleaning is not possible otherwise complete all as specified and directed. Note: Rates quoted by contractor shall deemed to be inclusive of necessary excavation, returning filling and disposal of excavated soil

Dewatering, desilting and cleaning of Septic tank/manholes of any size and depth by dewatering by mechanically or by manually and taking out sludge, silt mud, brick bats etc and removing sludge to a distance not exceeding 500 metres from the outside including taking off hygenically as per norms of local governing body and placing the man hole cover n the same opening all as specified and directed. Note: - Dewatering/ De-silting shall be done by suction pump or by any mechanical means and disposed off by truck mounted trailors beyond MOD Land.

Taking out silt, gravel bounders, vegetation grass from complete chocked and blocked and fully filled up Nallah/ Culvert with revoming the silt rubbish to distance exc 150m but n.exc. 500m complete all as specified and as directed.

Cleaning, desilting of Sewage lift well diameter 3 mtr & depth 8 mtr (approx)from solid/liquid/mud etc and removing sludge out side of defence land complete including pumping out liquid and liquid sludge with pumping arrangements, labour and machine as required for takingout solid sludge from the well, icluding blocking the adjacent manhole to prevent water flow in to the well, complete all as specified and directed.

Removing blockage from water closet (Indian or European type) by removing solid/ liquid or mud deposited in the trap or Cl pipe line by rodding manually and removing the sludge (duly covered in a hygienic manner) to a distance exceeding 150 meter but n. exc. 250 metre and making the WC fully functional, complete all as specified and directed.

Removing blockage from from floor/ nahani trap of kitchen/ bath room and washbasinby removing solid/ liquid or mud deposited in the trap or Cl pipe linie by rodding manually and removing the sludge (outsuide MOD Land duly covered in a hygenic manner) to a distance exceeding 150 metre but n exc. 250 metre and making the WEC fully functional complete all as specified and directed.

Cleaning & clearing of solid/liquid mud/any type of solid content including mud,brick bats,empty containers of any type, polythene or any similar items deposited in underground sewage lines 100 to 600 mm bore laid in entire area (domestic as well as tech area) under Air Force Station Barwala and any depth upto 8 metres including manholes/inspection chambers of any size and any depth, using SUPER SUCTION MACHINE TRUCK MOUNTED HAVING SUCTION CAPACITY 1000 TO 4000 CUM/HRS, JETTING PUMP WITH WORKING PRESSURE AT LEAST 120 BAR having facilities of high presssure water thermoplastic fibre braided water jetting hose and through conical/round shape nozzler pipe, bottom surface of manholes/inspection chambers & sewage lines should be visible after cleaning process. Sludge /sludge water/any type of waste recovered from sewage lines/manhloes/inspection chambers shall be disposed off at authorised dumping site declared by local administration outside Ministry of defence land complete all as specified and as directed. NOTE:- (i) Payment shall be made to the contractor as under:- (a) 70% after cleaning/clearing the line. (b) 20% after three months (from the date of cleaning) (c) 10% (after four months from the date cleaning of line) or payment in final bill as applicable. (ii) Lines once cleared will be maintained through out the period of the contract. If there is any blockage during the period of the contract, the same will be cleared without any extra cost by the contractor. (iii) In case of any blockage is observed /found in any cleared line through super suction manchine during the time period of contract and it becomes necessary to clear the sewage line with machine, the same shall be cleared through manchine by the contractor without any extra cost to the department. The line shall be cleared by the contractor within 48 hrs after intimation to the contractor. The rate quoted by the contractor against this item shall be deemed to be inclusive of clearance of lines twice or more time as required during the whole contract period.

Cleaning of STP chamber of any shape/ size upto entire depth by dewatering/ desludging and removing of any type of solid contents including mud, brick bats, empty containers, vegitation growth, any type of polythene and other similer items and removing entire material out of MOD land. During cleaning blockage/ diversion of sewage is deemed to be included in unit rate complete all as specified and directed.