Delhi Development Authority Tender

Supplying, filling, spreading & levelling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & levelling gravels of size range 5 mm to 10 mm, in the recharge pit, over the existing layer of boulders, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Supplying, filling, spreading & levelling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads& lifts, all complete as per direction of Engineer -in-charge.

Providing and fixing factory made precast RCC perforated drain covers, having concrete of strength not less than M-25, of size 1000 x 450x50 mm, reinforced with 8 mm Dia four nos longitudinal & 9 nos cross sectional T.M.T. hoop bars, including providing 50 mm Dia perforations @ 100 to 125 mm c/c, including providing edge binding with M.S. flats of size 50 mm x 1.6 mm complete, all as per direction of Engineer-in-charge.

Providing and fixing U-Chlorinated Polyvinyl Chloride (u-PVC) Slotted pipes. This includes jointing of pipes & fittings with one step U-CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge

PVC slotted pipe 200 mm Dia as per IS: 12818

Extra for covering top of membrane with Geotextile, 120 gsm non woven, 100% polyester of thickness 1 to 1.25 mm bonded to the membrane with intermittent touch by heating the membrane by Butane Torch as per manufactures recommendation.

Conditions: 1. Open Drain to be cleaned once in a Week. 2. Covered Drains to be cleaned once in three months. 3. In order to make funnel drains functional, cutting jointing etc. may require as per site conditions, which is included in Item No-2.00. All works related to excavation is to be done by manual means only. Any damage to park property like electric cable/wire, other services line is to be repair by contractor free of cost within 1 day of damage, else 1000 rupees penalty per day shall be liable. 4. It any day to time, it is found that the work is not carried out as per entire satisfaction of Engineer-in-Charge penalty shall be imposed and recovered from the agency as double of agreement rate by the Engineer-in-Charge i.e. Item No. 1.1, 1.2 and 2, the recovery rate shall be Rs.200.20, Rs.2429.20 &Rs. 133.90 respectively. The decision of Engineer-in-Charge shall be final & binding to the agency. 5. Due to un-hygienic condition at site. if any, challan is levied by the Civic Agency or any Govt. Dept.., the same will be borne by the agency. The agency will be responsible for all action including Legal Action and nothing shall be paid to the agency in such act