Directorate Of Construction Services And Estate Management Tender

Jaintia , Parasnath, Vajra

Mandavi

Repair & Testing of lightning protection system including measurement of loop resistance of down conductor tightning of all the joints at terrace & near test link box, replacement of nut bolts with SS nut bolts whereever rusted, greesing of nut bolts etc. in the following buidings :

ARAVALI, GIRNAR, SATPUDA, MOUNT-ABU, MUSSORIE, VENKATGIRI, SABARIGIRI, SHANTINIKETAN

AKASHGANGA, AKASHRATNA, AKASHDEEP NILGIRI

KAYLASH, KEDARNATH, BADRINATH, ALMORA, GULMARG, KAMET, EVEREST, DHAVALGIRI, KANCHANJANGA, ANNAPURNA, NANDADEVI

UDAYGIRI, MALAYGIR, SREENIKETAN

Repair work in the buildings of Height up to 25 Mtr using scaffolding as per following specifications : Dressing of existing GI Strip down conductors from terrace to Ground floor includes following 1) Cleaning of GI strip removal of paint/ cement etc. 2) fixing on wall / slab / column / beam with 16SWG GI saddles & 3 mm thick G.I. spacers at an interval of 500mm with all fixing accessories. 3) Cleaning of Joint removal of paint/ cement etc. 4) Removal of nutbolts by cutting with grander. 5) Welding the joints in all four contact ages, painting the joint with black bituminous compound/Zink spray. 6) Providing 2 nos SS nut bolts of suitable size on joints. Specification for Scaffolding : Please refer separate sheet of financial bid.

Dressing of existing GI Strip down conductors from terrace to Ground floor using Man lifter Man lifter. Scope of work includes following 1) Cleaning of GI strip removal of paint/ cement etc. 2) fixing on wall / slab / column / beam with 16SWG GI saddles & 3 mm thick G.I. spacers at an interval of 500mm with all fixing accessories. 3) Cleaning of Joint removal of paint/ cement etc. 4) Removal of nutbolts by cutting with grander. 5) Welding the joints in all four contact ages, painting the joint with black bituminous compound/Zink spray. 6) Providing 2 nos SS nut bolts of suitable size on joints . Note : 1) The contractor has to observe all safety procedure while working on heights 2) Labours working on the man lifter should be with safety belts, helmets and they should wear the same while working. Labours seen not wearing safety belts and helmets shall be sent out of the work immediately and a penalty of Rs.1000.00 per person per day will be levied. 3) The workers engaged on the repair work are required to be insured as per Government norms at the cost of contractor. 4) The contractor shall provide at least 1 set of safety belt and helmet of approved make and quality to each worker before commencement of work. 5) Additional life guard roap shall be provided from terrace of the building.

In the buildings of Height above 25Mtr up to 45 Mtr

In the buildings of Height Above 45 Mtrs up to 65 Mtr

Dressing of existing GI Strip conductors (25x3mm / 25x6mm). Scope of work includes following 1) Cleaning of GI strip removal of paint/ cement etc. 2) fixing on wall / slab / column / beam with 16SWG GI saddles & 3 mm thick G.I. spacers at an interval of 500mm with all fixing accessories. 3) Providing 2 nos SS nut bolts of suitable size on joints. 4) Removal of nutbolts by cutting with grander. 5) Welding the joints in all four contact ages, painting the joint with black bituminous compound/Zink spray.

Repairing of existing earth pit.

Providing 150 mm thick concrete wall chamber of suitable size duly plastered having size 500 X 500 X 500 mm heavy duty (minimum 6 mm thick) M.S chequered plate cover, associated materials like 40 x 40 x 5 mm angle iron frame work, hinges, locking arrangements, lifting hook etc. including excavation of ground in all types of soils, refilling & removal of excess earth within a radius of 3000 m etc., including measuring & recording earth pit resistance, all as required & instructed by Engineer-in-charge. Note:- The chamber cover & frame shall be got approved by Department & painted with two coats of red oxide & two coats of enamel paint including painting of Earth pit resistance value & date of testing.

Welding 2 nos capsule type hinges on existing MS chequered plate earth pit chamber cover as required & instructed by EIC.

Providing Funnel to existing earth pit chamber pipe including welding on existing pipe.

Providing Funnel with 2mtr length 19 mm dia GI pipe (B class) in existing earth pit chamber, including excavation & impel inside chamber all as required & instructed by E-I-C.

Providing M8 x 50 SS nut bolts with washer in existing earth pit

Supply, installation, testing and commissioning of GI pipe earth station with 38-40 mm dia class B GI pipe of 4. m length confirming to IS 3043 complete with all required materials like coke / charcoal, salt, G.I nut bolts, washers, 150 mm thick concrete wall chamber of suitable size duly plastered having size 500mm x 500mm x 500 mm , heavy duty (minimum 6 mm thick) M.S chequred plate cover, associated materials like 40 x 40 x 6 mm angle iron frame work, hinged locking arrangements, complete with funnels, GI test links (50 x 6 mm) with clamp of 50mm x3 mm G.I strips for connecting G.I pipe & test link etc. including excavation of ground in all types of soils upto 1mtr depth / upto hard rock & there after making 150mm dia 4. deep bore hole from ground level, refilling with alternate layers of charcoal salt & removal of excess earth within a radius of 3000 M etc.,including measuring & recording earth pit resistance, all as required as per the standard drawing of earthing, specifications & instructed by Engineer-in-charge. Note:- 1) The chamber cover & frame shall be got approved by Department 2) Painted with one coat of red oxide & two coats of enamel paint including painting of Earth pit resistance value & date of testing.

Supply, installation, testing & commissioning of hot dipped 25 mm x 6 mm GI strip in ground excluding excavation in all type of soil, interconnection of earth strip & continuous welding the joints in all four contact ages, painting the joint with black bituminous compound, painting with two coats of black bituminous compound for earth strip in ground etc. all as required & instructed by the E-I-C. Excavation will be paid separately.

Fabrication, supply & installation of galvanized GI Test link box of size 450 x 100 x 100 mm fabricated from 16SWG MS CRCA sheet, including replacing existing nut bolts with SS nut bolts etc.with required hardware all as required & instructed by E-I-C

Earth excavation in hard rock/soft rock & breaking the existing drain wells & reinstallation:-

Excavation of hard rock, cutting as required including blasting & chiselling, using compressor, dewatering, back filling, if necessary, disposal of excess earth within the radius of 3000M etc. stacking of rocks at selected places as per instructions of E.I.C.

Excavation of soft soil & all type of soil as required filling, dewatering if necessary, disposal of excess earth within the radius of 3000 M etc. stacking of rocks at selected places as per instructions of E.I.C.

Breaking /cutting of the existing asphalt road/ PCC of 150mm thickness (approx.) disposal of excess earth within the radius of 3000 M etc. stacking of rocks at selected places as per instructions of E.I.C. Note : If depth is more than 150 mm qty will be measured on praportionate basis.

Removal of paver block / shahbaz stone / existing drain wells & refixing as per original to the entire of satisfaction of E.I.C.

Providing 1 : 3 : 6 PCC on existing excavated road/ PCC all as required & instructed by E-I-C.