Tender For Maintenance Of Completed Scheme Under Nazul A/C Ii Narela Zone.Sh: Maintenance Of Water Supply Lines, Cleaning And Disinfection Of Ugrs In Sec- B-2 Narela., Narela-Delhi
TDR : 55540901
Tender Notice
BOQ
Expired
Narela
Delhi
Tender For maintenance of Completed Scheme Under Nazul A/C Ii Narela Zone.Sh: maintenance of Water Supply Lines, Cleaning And Disinfection Of Ugrs In Sec- B-2 Narela.
Name of Work:- M/O Completed scheme under Nazul A/C II Narela Zone.SH: M/o Water supply lines, Cleaning and disinfection of UGRs in Sec- B-2 Narela.
Sl. No.
Item Description
1
Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-(i) Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits.(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.(iii) Chlorination of RCC internal surface by liquid chlorine.(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.(v) Finally the surface shall be treated with ultraviolet radiation etc.as per direction of Engineer-in-Charge.
2
Bacteriological testing of water sample for approved lab.
3
Daily maintenance of internal water supply line of DDA housing Sector Narela for the period of one year i/c all labor. T&P etc. required as per site condition and direction of Engineer-in-Charge.
4
Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 meters lead as per direction of Engineer - in - charge. Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)
5
Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)
6
Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)
7
Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge.External work (a) 15 mm dia nominal bore
Conditions1. In case of non compliance of written order to commence the work within 24 hrs. a penalty of (Rs. 1000/-) only per day will be levied and even the work is not taking of within 72 hrs. of written order to the agency the work will be carried out at risk and cost of the agency and actual expenditure incurred by DDA will be recovered from the agency.2. If any mishappening will happen at site the agency will be fully responsible. Please Enable Macros to View BoQ information
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