REP AND REPLACEMENT OF SEWAGE SYSTEM BY CLEANING SEWAGE LINES MANHOLES GULLY TRAP AND SEPTIC TANK AT OTM ACCN OF ASC CENTRE (SOUTH) UNDER GE (CENTRAL) BANGALORE

M&L for Cleaning of 100 to 150 mm bore blocked Sewage lines in any depth by pressure Jet by using mechnical/ hydrulic pressure using Vehicle type hydrulic methods or mordern methods from manholes to manholes or manholes to cleaning eye or cleaning eye to clean eye untill the smooth flow of sewage line is restored including taking out sludge in semi liquid stage including all water effluences etc refixing man hole cover and removing all materials from site of work upto a outside MD land and depositing in excavated earth pit of suitable size including supply and sprinkling bleaching powder and covering sludge with earth after removal of blockage etc complete all as specified and directed.

All as per item No. 1 here-in-above but for 200 mm bore sewage line complete all as specified and directed.

All as per item No. 1 here-in-above but for 300 mm bore sewage line complete all as specified and directed.

Taking out deposited sludge from manholes upto 3.00 mtr depth from GL (height of lift) by means of mechanical compressor sewage cleaning machine and cleaning the entire internal sewage with water to the satisfaction of Engineer-in-charge and disposed of wastes outside MD land and depositing where desired. Note :- (i) The mechanical sewage cleaning compressure machine shall be arranged by the contractor from is own cost and arrangement. (ii) The sewage cleaning machine shall be arranged by the contractor as and when informed by Enginner -in-Charge for desludging the MH. (iii) The quantities will not be given in full for cleaning. The same may be in part or full for cleaning. The same may be in part of full as available depedning on the blockage or user's complaints. As such contractor will not have any claim for cleaning the MH in one part. (iv) Disposal to be done strictly as per local municipal norms and pollution control board guideline(iv) Rate are incl of following :- (i) Opening/removal of cover slabs and reinstatement after cleaning without damaging to tank structure, baffle wall or piping. (ii) Removal of settled sludge if any at bottom, floating scum layer and liquid effluent. (iii) Labour, equipment, safety gears/hygiene measures, fuel, transporation.

Desilting/ Decloging of sewage lines of any dia by means of mechanical hydro jet pressure sewage cleaning machine and cleaning the entire internal sewage with water and dispose off the sludge outside MD land and depositing where desired. Note :- (i) The mechanical sewage cleaning pressure machine shall be arranged by the contractor from is own cost and arrangement. (ii) The sewage cleaning machine shall be arranged by the contractor as and when informed by Enginner -in-Charge for desludging the septic tank. (iii) The quantities will not be given in full for cleaning. The same may be in part or full for cleaning. The same may be in part of full as available depedning on the blockage or user's complaints. As such contractor will not have any claim for cleaning the MH in one part. . (iv) Quoted rate deemed to be inclusive for arranging cleaning machine any number of times.

Opening and cleaning of obstruction/blockage in floor trap for urinal or wash hand basin or sink including waste pipe and gully trap in case of ground floor or up to tee junction for other floors including removing access door and refixing in position after removing mud,sludge/silt,liquid mud and foreign materials etc and removing/depositing the same outside the premises and flushing with water complete all as specified and directed. Notes for BOQ item Nos 1 to 9 : - (i) Supvr staff along with 02 consevency staff to be detailed for the work in each area will report to complaint cell daily for collection of complaint slips and will returned the same after completion of assigned work duly signed by the user/occupants for the area/location covered under this subject work and as directed by engineer-in-charge/JE (ii) Cleaning Work & measurement of same will be carried out each time depending on blockage as directed by Engr-in-Charge. (iii) The quantities will not be given in full for cleaning at one time, the same may be in part depending on blockage or complaint by user. As such contractor will not have any claim for cleaning in one go. (ivi) Quoted rate is deemed to be inclusive of earthwork & excavation, sprinkling sufficient bleaching powder & other materials like safety gears for staff incl removal of manhole cover slab and refixing the same after cleaning. (v) The sewage cleaning machine shall be arranged by the contractor as and when informed by Enginner -in-Charge for desludging the MH or cleaning of sewage line. (v) Quoted rate deemed to be inclusive for arranging cleaning machine any number of times, transporation, fuel etc complete. (vi) The repairs covered under this subject work shall be undertaken as and when required basis accordingly site will be available in piecemeal wise and as directed by Engineer-in-charge (vii) Quantity of cleaned dry solid per cum shall be measured and paid. The stack measurements are to be taken as final quantity.

Cleaning of Man holes / Chambers by removing muck/ sludge / liquid mud etc (in foul condition) upto 1 Mtr depth after taking off manhaole covers to the utmost satisfaction of Engineer-in-charge and removing/depositing the same outside the premises and flushing with water complete including refxing the MH cover position complete all as specified and directed.

All same as per item No 7 here-in-above but depth exceeding 1 Mts but not exceeding 2 Mts complete all as specified and directed.

All same as per item No 7 here-in-above but depth exceeding 2 Mts but not exceeding 3.5 Mts complete all as specified and directed.

Taking down cement plaster of any description including racking out joints, hacking for key scrubbing down with water etcand removal of entire debris as ordered outside MD land complete all as specified and directed.