NIT-11(2020-21) item No.3

Dismantling of damaged Air valve in pumping main of Preet Vihar SPS near Mandawali extended railway line underpass by carrying out following works:Providing and erecting 2.00 metre high temporary barricading at site as per drawing/ direction of Engineer-in-Charge which includes writing and painting arrangement for traffic diversion such as traffic signals during work at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. (DJB Planning Rates)

Dewatering of line rising main by submersible pump sets of suitable capacity at site of work.(DSR 2018 Code 14.23).

Safety arrangement Air Face Mask, Air Line Breathing Apparatus, Hand Blowers, Helmet, Gum Boots, Protective Bodysuits, Hand Gloves, Gas Detector, Safety Belts, Resuscitation Apparatus, Oxygen Inhalator, Portable Ladder, First Aid Box, Caution Tape, Barrie Cone, Litmus Paper, Torch, Fire Extinguisher etc arranged by the firm at site of work for safe working.as per NHRC guideline. For 24 hrs

Demolishing of old existing air valve job includes: Digging/breaking the RCC as per site requirement and cleaning the area by removing the malba to make access for the Air valve. Cutting the all rusted nut bolts of air valve and closing the air valve with blank plate after removing the top of air valve with the help of electric Pneumatic Hammer, 62 KVA dg set , gas cutter, tools & tackles welding machine, cutter set, nut bolt Packing Sheet etc, heavy /skilled labour (like fitter , cutter, welder, helper, beldar, chowkidar, supervisor, electrician) etc. and shifted it to the store of JE(E&M). (time req 24 hrs)

Restoring the existing railway underpass as its original position Providing and laying in position ready mixed M-15 plain cement concrete, using fly ash and cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work.(DSR 2018 Code 4.19.1)

Testing and commissioning of rising main on full pressure and as per satisfaction of Engineer In-charge.

kanha Associates

AVINAV TRADERS

Raghunath Rubber Industries

WINGO BUILDTECH INDIA