Drainage Works Tenders

[21.105.37]Supplying, erection, testing and commissioning of submersible motor pumping set non clog for sewerage having head 12.00 m as per the indicated requirements of discharge in LPM and power capacity in BHP as per IS marked including all accessories (like SS Pipes, SS Chain (Shackle Chain) ,SS Foundation Bolt, complete base frame, Monorail, Chain Guide Line, Auto Compiling, Duct Foot Bend (D/F Bend) etc. complete in all respect 37. Discharge Capacity (LPM) - 2800 Power Capacity (BHP) - 12.5 [Through Rate]

Providing and laying at or near ground level factory made Vibro compacted cement concrete kerb stone of M-35 grade concrete made up in fully automated plant with steel moulds resulted in precise dimensions with compaction @ 3200 psi including minimal water ratio content (3:1) with water less curing by Ratho curing system in position to the required line, level and curvature , jointed with mortar 1:3 including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Taking down existing sunken portion treatment by demolition of old concrete and carry out the sunken treatment as in following steps given below and procedure as per Appendix'A' of particular specifications. (a) S & F of drainage spout GI pipe 40mm dia bore light grade upto outside or outer wall ( Apprx 450mm to 600mm long). (b) M & L for PCC 1:1.5:3 type A-0 (using 12.50mm graded stone agg) 50mm thick laid in slope towards drainage out spout pipe mixed with waterproofing chemical as per manufacturer instructions for Khurra 150mmx150mm (min) at appropriate location for free flow (of leaked water if any) towards drainage spouts shall be provided integrally while laying PCC. Fixing of spout shall be done with same PCC as in this item. (c) M & L for 18mm thick cement plaster in CM 1:3 on verticalfaces mixed with water proofing chemical while concrete is green and proper curing and ponding test shall be done before laying dfrainage water supply pipes upto the entire satisfaction of Engineer-In-Charge. (d) Applying two coats of seal coat on vertical as well as horizontal surface. (e) Drainage and water supply pipe if required and test for leakage /sanitary pipes and shall be laid to slope and a clear gap underneath the pipes shall be made avbailable by providing suitable cement concrete block. (f) M & L PCC 1:5:10 type E-2 using 40mm graded stone aggregate as reqd depth at site over and including 150mm thick 20mm single sized stone agg to provide a filter media. (g) M&L PCC 25mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate for level course. (h) M&L for 7 to 8 mm thick non skid ceramic coloured joint less tiles (aquare/rectangur) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors etc laid jointing in neat cement slurry and pointed filled with epoxy chemical mixed with pigment to match with shade of tiles over and including 15mm thick screed bed in CM(1:6) complete all as specified and directed. Note : (i) Waterproofing treatment shall be undertaken alongwith laying of drainage pipe/sanitary pipes/drainage spout etc. (ii) The work shall be carried out as per the direction of Engineer-In-Charge. (iii) The sunken treatment work shall only be carried out after written approval of Engineer in charge for leakage/seapage of water/ sanitary pipes. (iv) Cost of drainage spout shall deemed to be included in the item however sanitary pipe, water pipe line if required shall be paid separately under respective items. (v) Laying of chemicl required for various applications shall be as per manufacturer instructions. (vi) Plan area shall only be measured and paid.

Earthwork in re-excavation / silt clearance in draiange channel in all kinds of soil including sludge,slush mixed with all sorts of industrial wastes and Municipal garbages, polypacks, carcasses, small khatal effluents, night soil etc. by mathor labour as may be necessary and depositieng the same in places as directed by the Engineer-in- charge,in such a manner, without causing much hindrance to traffice and posing health hazard and making arrangement to maintain the site in workable condition and rough dressing when dry including making arrangement of bailing out of any seepage water and removal of sand or soil blown from undeerneath, removal of khatal, temporary latrines, cleaing and removing all kinds of semi compact masses formed by water hyacinth, jungles upto 30 cm girth, and burning them to ashes or removing outside Government land in conformity with the Municipal rules, including shoring shuttering as required nicking out lines etc. ( Measurement : Pre-work and post-work section to be taken after removal of water hyacinth and all other floating materials etc.) (b) By mechanical means using hydraulic excavators within an initial lead of 30 M and an initial lift of 3.0 M

Earthwork in re-excavation / silt clearance in draiange channel in all kinds of soil including sludge,slush mixed with all sorts of industrial wastes and Municipal garbages, polypacks, carcasses, small khatal effluents, night soil etc. by mathor labour as may be necessary and depositieng the same in places as directed by the Engineer-in- charge,in such a manner, without causing much hindrance to traffice and posing health hazard and making arrangement to maintain the site in workable condition and rough dressing when dry including making arrangement of bailing out of any seepage water and removal of sand or soil blown from undeerneath, removal of khatal, temporary latrines, cleaing and removing all kinds of semi compact masses formed by water hyacinth, jungles upto 30 cm girth, and burning them to ashes or removing outside Government land in conformity with the Municipal rules, including shoring shuttering as required nicking out lines etc. ( Measurement : Pre-work and post-work section to be taken after removal of water hyacinth and all other floating materials etc.) (b) By mechanical means using hydraulic excavators within an initial lead of 30 M and an initial lift of 3.0 M

Earthwork in re-excavation / silt clearance in draiange channel in all kinds of soil including sludge,slush mixed with all sorts of industrial wastes and Municipal garbages, polypacks, carcasses, small khatal effluents, night soil etc. by mathor labour as may be necessary and depositieng the same in places as directed by the Engineer-in- charge,in such a manner, without causing much hindrance to traffice and posing health hazard and making arrangement to maintain the site in workable condition and rough dressing when dry including making arrangement of bailing out of any seepage water and removal of sand or soil blown from undeerneath, removal of khatal, temporary latrines, cleaing and removing all kinds of semi compact masses formed by water hyacinth, jungles upto 30 cm girth, and burning them to ashes or removing outside Government land in conformity with the Municipal rules, including shoring shuttering as required nicking out lines etc. ( Measurement : Pre-work and post-work section to be taken after removal of water hyacinth and all other floating materials etc.) (b) By mechanical means using hydraulic excavators within an initial lead of 30 M and an initial lift of 3.0 M