Military Engineer Services Tender

All as per Item No .1 above but for DG set capacity 40 KVA.

(a) Material of Construction :- Construction of the emission control device and exhausts stainless steel. (b) Back Pressure limit:- Back pressure due to the Emisssion Control retrofit device (i) Maximum back pressure 8500 Pa exerted by the Emission control retrofit device max prescribed load by DG OEM (as per the capacity of DG Set. (ii) Necessary precaution to be taken in exhaust scheme design to avoid condensate/steam back entry to DG sets which is/are not in operation. (c) General Technical requirements (GTR) Commissionng :-(i) All Emission control device shall be complete with safety precautions to ensure no damage should be done to the DG Set operation under any circumstances. The Emission Control retrofit device should be closely coupled with the DG exhaust to ensure 100% of the exhaust passes through emission control retrofit device. (ii) Anti- Vibration mounting shall be provided for complete Emission control retrofit device in case of flexible coupled with the diesel generator exhaust.

Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised wire of 4mm dia by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 15mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion including taking down old unserviciable earthing set all as specified and as directed. Notes:- (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.