IMPROVEMENT OF EARTHING SYSTEM LIGHTENING PROTECTION SYSTEM AT CERTAIN LOCATION OF COMD HOSP INCLUDING PROVN OF REPLACEMENT OF AVIATION LIGHTS AND MISC REPAIR OF OTHER ASSOCIATED ITEMS OF INSTALLATION UNDER GE P CH CHANDIMANDIR

Amount

Air termination, single pointed aluminium rod 12mm dia and 300mm long including taking down existing complete all as specified and directed.

Test point terminal block made of gun metal or phosphorus bronze of size 75x25 x25mm drilled and screwed including 03 Nos 8 mm dia 25 mm long hex. Head screw including taking down existing complete all as specified and directed.

Aluminium strip 25x3.15m with saddless ad fixing screw etc for roof conductors and down conductor (ground +5th floors ) above ground including taking down exiscting complete all as specified and directed.

Galvanised steel tube light grade 40mm bore ISI marked in short lengths upto 2 mtrs including taking down existing complete all as specified and directed Make : TATA/Jindal

PCC1:2:4 type B1 (20mm graded agg) as in foundations of base/repair to PCC pit etc complete all as specifed and directed.

Earthing with 600x6000 x.3 mm galvanised steel earth plate electrode buried vertically in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of the plate at depth of not less than 1.5M below ground level, connected to and including GI strip of size 32 x6 mm by means of bolts, nuts and check nuts and washers of galvanised steel all as shown in electrical plate No 3 and inclusive of 40mm dia GI light grade pipe for protection of GI strip to the extent of 7.5 metres as earthing lead and connecting to the eqpt/test point where required incl char coal dust and salt packed all around the earth plate in the earth pit all as per electrical plate No 05 of SSR part-I including chamber made up to PCC1:2:4 type B1 with MS angle iron frame, PCC cover and 20 mm dia light grade GI pipe from top edge of the earth plate upto MS funnel with wire mesh provided inside the concrete earth pit for watering arrangement complete including excavation and earth worik in any type of soil strata and testing including taking down the old unserviceable complete all as specified and directed.

Supply, installation, testing and commissioning of avaiation light with 12 watts LED lamps, corrosion resistant, excellent navigating property with 50 watts Lux illumination, optical lens arrangement to provide 360 degree illumination by high intensity red LEDs, Power consumption less than watt, sealed water proof unit confirming to IS- 55 standard, casing made of SS painted with UV paint for atmospheric protection, UV stablized polycarbonate lend to protect the LEDs inclunding fixing the light on PCC base made up of PCC 1:2:4 type C1 using 20 mm graded stone aggregate with suitable nut, bolt and washers for proper fixing of light including connection to electric supply and taking down existing any type of light complete all as specified and directed Make: Crompton/ Phillips/ Bajaj.

Chemical earthing with copper earth plate electrode 900x600 x5mm buried directly in ground earth pit not less than 5 mtr below normal ground level and complete size of pits 1.6 x 1.6 x5.0 mtr. Earth plate connected to copper strip 32 x 6 mm by means of copper nut and bolts duly barazed earth strips protected with 40 mm dia light grade GI pipe from electrode and upto and including earth test point of gun metal/phosphorous bronze of size 75 x75 x25 mm, 25 mm bore watering pipe medium grade GI pipe all as shown in electric plate No 3 including funnel wire mesh.Alternate layer of thickness 10 cm each charcoal and common salt and top layer of thickness 10 cm magnesium sulphate including excavation and removal of surplace soil PCC pit in PCC (1:2:4) type B1 using 20 mm graded stone aggregate RCC cover 40 mm thick in RCC (1:2:4) type B1 using 20 mm graded stone aggregate and reinforced with 8 mm dia MS reinforced bars @ 75 mm c/c both way including MS angle iron frame of 40 x40 x3 mm including testing complete all as specified and directed .

Earthing complete with galvanized steel earth plate electrode 600x600X6mm thick surrounded by mixture of charcoal and salt in alternate layers buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of earth plate at a depth of not less than 1.50 mtrs below ground level connected to and including GI wire of size 4 Sqmm dia by means of bolts, nuts check nuts and washers of galvanised steel all as shown in electric plate No 3 and inclusive of 40mm dia GI light grade pipe for protection of GI strip to the extend of 7.5 meters as earthing lead and connecting to the eqpt/test point where required including charcoal dust and salt packed all around the earth plate in the earth it all as per plate No 05 of SSR Part-I including chamber made of PCC 1:2:4 type B1 with MS angle iron frame, PCC cover and 20mm dia light grade GI pipe from top edge of the earth plate upto MS funnel with wire mesh provided inside the concrete earth pit for watering arrangement complete all as specified and directed

Extension of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc but 32 x 6 mm galvanised iron strip complete all as specified and directed.

Extension of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc, but 4mm dia GI wire complete all as specified and directed.

Extension of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc, but 32X6mm copper strip complete all as specified and directed.

GI pipe 20mm dia medium grade for protection of strip complete all as specified and directed . Make:- Tata / Jindal

Cable PVC insulated and sheathed copper conductor 3 core 1.5sqmm, colour (white or black) including taking down existing complete all as specified and directed . Make: Plaza/ Havells/National

Supply and fix glow signage boards with base frame made from angle iron and backside form ACP sheet 3mm thick with IP 68 Protection LED module , good quality virgin monomer Acrylic sheet , 3 inch rising MES Logo letter with 5 mm sun board channel , including complete wiring and SMPS power supply with IP 68 protection , each letter will be made with computer offset for having same letter style and type as approved by Engineer - in- charge , complete all as specified and directed.for following boards :- (a) AC PLANT (CAPACITY 5X 225 TR) MILITARY ENGINEER SERVICES GARRISON ENGINEER (P) COMMAND HOSPITAL (WC) CHANDIMANDIR (b ) POWER HOUSE (11 KV SUB STATION) MILITARY ENGINEER SERVICES GARRISON ENGINEER (P) COMMAND HOSPITAL (WC) CHANDIMANDIR (c) LAUNDRY PLANT MILITARY ENGINEER SERVICES GARRISON ENGINEER (P) COMMAND HOSPITAL (WC) CHANDIMANDIR (d) BOILER PLANT CAPACITY 2X200KG AND 2X 600KG MILITARY ENGINEER SERVICES GARRISON ENGINEER (P) COMMAND HOSPITAL (WC) CHANDIMANDIR

Fabrication of SOP (standard operating Procedure ) Chart in Hindi , english as well as in Punjabi (three languages) for power house and DG Set installations with acryllic sheet of size 6'x4' with golden color stickering of size 25mm height upto 25 Lines serially numbered from 1 to 25 including writing title of chart with 32mm/40mm height stickering including fixing the complete sheet carefully with existing wall all as specified and directed. Note : Contractor shall take complete description of matter from Enginner-in-charge before placing order.

Alpha Engineers and Builders

M/S RAGBIR ENGINEERING SERVICES

SATTYAM BUILDERS

ELECTROMAX OF INDIA

PARTAP ENGINEERING WORKS

Bharat Enterprises

PRAGATI ELECTROCOM PVT LTD