Military Engineer Services Tender

S & F alarm/sounders/sirens elctronic type horizontal single stage continuos normal opeation for at least 50 minutes with sound level 65 DB to 120 DB measured at 1.5 mtr with sound output variation of + 5 DB 500 mtr range complete all as specified and directed.

Supply, installation, testing and commissioning of microprocessor based 4 zone fire alarm panel, UL listed with battery backup for a minimum period of 2 hours complete all as specified and directed.

Supply, installation, testing and commissioning of microprocessor based 32 zone fire repeater panel, UL Listed with battery backup for a minimum period of 2 hours complete all as specified and directed.

Supplying, laying, jointing, testing and commissioning of XLPE insulated, armoured, fire alarm cables with annealed copper conductor of 2 core, 1.5 Sqmm, shielded core type, FRLS outer sheath, suitable for earthed system for 600/1000V, AC 50 cycle including centre glands, lugs, jointing materials etc, laid in trenches/ fixed on walls complete all as specified and directed. Note: Excavation, cable protection etc shall be measured and paid separately under relevant items of this schedule.

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/disintegrated rock complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in soft/disintegrated rock complete all as specified and directed.

Removing excavated rocks to a distance n exc. 50m and depositing where directed at a level n exc. 1.5 m above tile starting point complete all as specified and directed.

S & F 25 mm dia steel rigid conduit including all accessories such as bends, sockets, clamps etc, as rrequired, for laying cables in trenches/ fixing on walls complete all as specified and directed.

M & L for earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground, earth pit not less than 2.25 m below ground level, with top edge of plate not less than 1.5 m below ground level, connected to 4mm dia GI earth wire (upto 7.5 m) by means of bolts, nuts, check nuts and washers of galvanised steel including neccessary earthwork and excavation in any strata, PCC earth chamber in PCC 1:3:6 type C1, 20 mm dia light grade GI pipe for protection of earth strip and GI wire, 15 mm dia light grade GI pipe with funnel for watering, mesh, copper lugs, 40 mm thick RCC chamber cover with 10mm nominal dia reinforcement etc all as per electrical plate No. 3 of SSR Part-I including connections with earth testing point complete all as specified and directed. Note: After completion if the desired earth resistance is not obtained during testing, earthing shall be redone by the contractor at no extra cost to the department.