Annual Maintenance of Storm...

Providing and fixing of Pre-casted RCC cover slab minimum size 0.90 x 0.30 x 0.125 mtr with 4.24 kg steel bar of 12mm/10mm and 2 nos plastic bowls and iron hooks and side flat patti including labour carriage and material complete all respect.

Providing Gunny Bags filled with Jamuna sand and sealing with machinery to be used at the required site as per situation and direction given by Engineer-In-Charge

Providing and fixing/construction of road gully with brick work, plaster, P.C.C, size 600x600x900 mm including excavation labour carriage and material complete in all respect.

Providing labour/sewer man for day to day work required during flood season for removing of any blockage, removal of floating material (3 shifts per day) including Kassi Gati, Raincoat, Jecket with GMDA logo and all safety equipment. (A) 1 person per 2 km for upkeep of drainage network in a length of 85 km 85÷2=42.5 So, 43 persons are required per month (43 × 4 months = 172 nos) (B) Five supervisors will be provided with mobile phones and motorcycles, along with fuel and maintenance support, to oversee and monitor a total stretch of 85 km across Sectors 24 to 57. This arrangement is being implemented to ensure that maintenance-related issues are promptly and effectively addressed during the forthcoming rainy season. For 4 months x 5 nos = 20 nos Grand total = 172+20= 192 nos

Day to day desilting work, survey by providing labour / sewer men including kassi, gaiti and all safety equipments complete in all respect. 9 Nos. Labour plus 1 No. supervisor per month for a total of 8 months after rainy season

Providing tractor mounted pump set with Burma mounted required during rainy season with suction 150 mm dia and delivery pipe 150 Mtr including driver and diesel etc. (shift of 8 hours per day) as per requirement of Engineer-In-Charge A total length of 85 km across sectors 24 to 57 will be attended to for various maintenance issues during the upcoming rainy season. 10 nos tractor mounted pumps for 60 days during 4 months as per requirement of Engineer- 10*60=600 shifts

Hiring of High Power Super Sucker Machine for removing of blockage, desilting of master drain/sewer line with high pressure jetting and high-volume super sucker machine of capacity minimum 180 HP to 400 HP for opening of blocked drain/sewer of various sizes pipe and box drain, manholes and disposal of retained silt/malba to hazard free dumping ground to the entire satisfaction of the Engineer–in–charge. The work shall include mobilization of equipment’s i.e. Super Sucker Machine, Jetting machine, Compressor unit for supply of fresh air, Silt container etc with following manpower/labours: - 1 No. Supervisor, 1 No. Rokawala / diver, 4 No. Skilled Sewer man, 2 No. Security guards including the provision of water tanker of capacity 10000 ltr, cost of sundries, TandP and safety devices, dewatering, cleaning and required plugging of manholes including cartage, loading and unloading of silt/sludge from the site, insurance of employee and labours and all over head charges etc. complete in all respect a shift of 8 hours 25 nos shift

Providing Bolero pick-up with driver for transportation of labour, materials and GMDA staff to critical flooding points during rainy season including diesel, maintenance and all charges complete as per direction of Engineer-in-Charge. 1 no. for 4 months = 4 Nos. A total length of 85 km across sectors 24 to 57 will be attended to for various maintenance issues during the upcoming rainy season

Hiring of 50 HP high capacity sewerage submersible pump set with DG set 125 KVA including making connection with motors and panel commissioning with hydra and 250 mtr discharge pipe etc complete in all respect excluding HSD including loading, unloading and transportation as directed by Engineer –in charge. A total length of 85 km across sectors 24 to 57 will be attended to for various maintenance issues during the upcoming rainy season. 5 pumps for 4 months i.e 20 nos

Operator for running and operation of the pump, including watch and ward of the submersible pump set at site, equipped with jacket, gumboots, and all necessary safety equipment during the rainy season, as per the directions of the Engineer-in-Charge.” A total length of 85 km across sectors 24 to 57 will be attended to for various maintenance issues during the upcoming rainy season. 5 operators for 2 shifts for 4 months during rainy season i.e 40 nos