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Addition Alteration To Earthing Infrastructure For Various Locations At Air Force Station Bkt, BKT-Uttar Pradesh

Military Engineer Services-MES has published Addition Alteration To Earthing Infrastructure For Various Locations At Air Force Station Bkt. Submission Date for this Tender is 15-07-2021. Electrification Work Tenders in BKT Uttar Pradesh. Bidders can get complete Tender details and download the document.




Tender Notice

28120015
Corrigendum : Addition Alteration To Earthing Infrastructure For Various Locations At Air Force Station Bkt
Open Tender
Indian
Uttar Pradesh
BKT
15-07-2021

Tender Details

Addition Alteration To Earthing Infrastructure For Various Locations At Air Force Station Bkt

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 22-Jun-2021 BOQ revised BOQ 05-07-2021
2 26-Jun-2021 DATE CORRIGENDUM Date 15-07-2021

Key Value

Document Fees
INR 1000 /-
EMD
INR 131500.0 /-
Tender Value
INR 71 Lakhs /-

BOQ Items

Name of Work: AADN/ALTN TO EARTHING INFRASTRUCTURE FOR VARIOUS LOCATIONS AT AIR FORCE STATION BKT
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Material & labour for Chemical earthing complete with copper plate electrode 900mm x 600mm x5mm burried directly in ground vetically to a depth not less than 4.70 mtr below normal ground level (with top edge of earth plate not less than 3.60 mtrs below ground level ) connected to copper strip 32 mm x 6 mm as main earthing lead by means of brass brazing at all joints all as directed and connected to earth test point all as specified and testing on completion with and including necessary excavation and earth work in any type of soil ,GI pipe medium grade 50 mm bore for protection of copper strip from earth electrode to earth test point of galvanised Iron / steel , adequate quality of charcoal dust, common salt and magnesium sulphate in alternate layers of 100 mm thick x 6 layers all around the plate , and RCC (1:2:4 type B1 using 20 mm graded crushed stone aggregate ) cover of size 54x54x50 mm reinforced with 8 mm dia TMT bars @ 75mm C/C both ways with mild steel flushed type handle 12 mm dia, PGI funnel with wire mesh, 20 mm dia GI pipe light grade for watering all as shown in drawing. \nNote \na). Cost of copper strip and GI protection pipe up to a distance 7.5 M shall be included in quated rate of above Items. \nb) On testing,after completion of job ,if desired earth resistence (less than 1 Ohm ) is not found ,the earthing shall be redone at no extra cost to govt. 33 Set of Two earth
2 2 M & L for Earthing complete with copper earth plate electrode, 600mm x 600mm x 3.15 mm thick, buried directly in the ground (earth pit not less than 3.25m deep below normal (ground level) with top edge of the plate not less than 1.50m below ground level connected to copper strip 25x 3mm as earth lead by means of bolts, nuts and washers of copper / brass up to test point, GI tubing 40mm bore medium grade protection pipe, GI watering pipe 20mm bore medium grade with funnel and wire mesh, charcoal and salt, 40mm thick pre-cast RCC M-25 cover reinforced with XPM (weighing n.less than 4 Kg/Sqm) with suitable steel handle, and angle iron 40X40X3mm frame and chamber of PCC (1:3:6) type C-1 (including earth work in any type of soil, removal of surplus soil to a distance n.exc.50m) and connecting, testing on completion, all as shown on electric plate No. 03 of SSR-2009 Part-I, complete all as directed.\nNotes: \n(i). Earth lead & protection pipes length upto & including 7.50 metre shall be deemed to be inclusive in the quoted rate.\n(ii). Earth filling shall be done by vegitable soil.\n(iii). Soil should be free from stone, boulders, aggregate, gravels etc.\n(iv). On testing,after completion of job ,if desired earth resistence (less than 3 Ohm ) is not found ,the earthing shall be redone at no extra cost to govt. 25 Set of Two earth
3 3 M & L for Earthing complete with galvanised steel earth plate electrode, 600mm x 600mm x 6mm thick, buried directly in the ground (earth pit not less than 2.25m deep below normal (ground level) with top edge of the plate not less than 1.50m below ground level connected to galvanized iron strip 32 x 6 mm as earth lead by means of bolts, nuts and washers of GI up to test point, GI tubing 40 mm bore medium grade protection pipe, GI watering pipe 20mm bore medium grade with funnel and wire mesh, charcoal and salt, 40mm thick pre-cast RCC M-25 cover reinforced with XPM (weighing n.less than 4 Kg/Sqm) with suitable steel handle, and angle iron 40X40X3mm frame and chamber of PCC (1:3:6) type C-1 (including earth work in any type of soil, removal of surplus soil to a distance n.exc.50m) and connecting, testing on completion, all as shown on electric plate No. 03 of SSR-2009 Part-I, complete all as directed.\nNotes: \n(i). Earth lead & protection pipes length upto & including 7.50 metre shall be deemed to be inclusive in the quoted rate.\n(ii). Earth filling shall be done by vegitable soil.\n(iii). Soil should be free from stone, boulders, aggregate, gravels etc.\n(iv). On testing,after completion of job ,if desired earth resistence (less than 5 Ohm ) is not found ,the earthing shall be redone at no extra cost to govt. 8 Set of Two earth
4 4 S & F Copper strip 20 x 3.15mm duly fixed on the wall by saddles, clamps, fixing screws etc. and necessary drilling for tapping off branch connections complete all as specified and as directed. 200 RM
5 5 M&L for Galvanised iron strip 32mm x 6mm with saddles and fixing screws on porcelain insulators for roof conductors and down conductors above ground level complete all as specified. 50 RM
6 6 M & L of Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground. 150 RM
7 7 M & L of Air termination, single pointed aluminium rod 12mm dia and 300mm long with all connected accessories and fixed with aluminium strip complete all as specified and directed.\n 50 Each
8 8 Supply and fix test point termnal block made of gun metal or phosphorus bronze size 75 X 75 X 25 mm drilled and screwed including three Nos 8 mm dia 25 mm long hexagonal head screw complete all as specified and directed. 66 Each
9 9 Taking out existing strip from demolition of earth pit chamber including protection pipe and any size and taking out for credit (Test point to earth pit chamber) complete all as specified and directed. 66 Each
10 10 M&L for earthing pit indicator made of CRCA sheet for display of EP No & ER value in ohm of size 30cmx30cmx4mm shall be fixed with minimum 02 Nos of nuts & bolts on MS angle iron of 30x30x6mm of height 600mm. The MS angle iron 30x30x6mm, will be having planting depth of 300mm below ground level & 300mm above ground level. The angle iron at the location of planting should be splited and bend to shape to produce better grip and should be embedded in PCC 1:3:6 type C-1(using 20mm graded stone aggregate) and of size 450mmx450mmx750mm (600mm deep below GL and 150mm above GL) including all necessary excavating of earthwork. The MS angle iron shall be painted with synthetic enamal paint over coat of red oxide primer through out the length and plate in the portion of 30cmx20cmx4mm painted with 2 coats of synthetic enamal paint and bitumenous paint in the portion of planting depth. Writing of letter "EP No ER value in ohm and date of testing all as directed and specified by Enginner-in-Charge.\nNote : Colour coding and earth pits shall be as per Appx 'A' of VCAS Directive 17/2016. 66 Each Job
11 11 Taking down of existing earth strip of size 20mm x 3mm of copper complete all as specified and directed. 200 RM
12 12 Taking down of existing earth strip of size 32mm x 6mm of GI from test point to panel etc. complete all as specified and directed. 50 RM
13 13 Taking down of existing earth strip of size25x3.15mm Alluminium with acessories of fixing complete all as specified and directed. 150 RM
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