Tender For Provision Of Maintenance Free Chemical Earthling At Various Location And Oht & Associated Plumbing Works At Certain Bldgs At Afs Jalahalli
Tender Value
Ref. Documents
Estimated cost
Bid Submission
12 Oct 2024
0 days left
EMD
1 Lakhs
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
jalahalli → Karnataka
EMD Exemption
Not Available
Quantity
Not Available
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Address
Project Description
Tender For Provision Of Maintenance Free Chemical Earthling At Various Location And Oht & Associated Plumbing Works At Certain Bldgs At Afs Jalahalli
BOQ
| Sl. No. | Item Description |
| 1 | Supply, installation, testing & commissioning of maintenance free chemicalearthing system comprising of 17mm dia copper bondedrod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 Kg earth energizer compound and 10 litres earth resistance reducingliquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 A by any NABL accredited lab. The above mentioned rod shall be installed in 4-6 inch bore, 12 feet depth with a distance of minimum 3 meters between each installationcomplete all as specified and directed.Make : Model HTSP 317 of safeTrode or equivalent in OBO Betterman/ FURSE/ERICO. |
| 2 | The quoted rate shall also deemed to be included the following :- (i)Prior toinstallation of maintenance free chemicalearthing, soil resistivity test to be carried out at the location where earthingwork to be donein presence of Engr-in- Charge/JE (E/M),user and the report has tosubmitto Garrison Engineer with recommendation of manufacturer, if required additional interconnection ofearthing (not more than 08 number of earthing) to achive earth result less then 1 Ohms. The arrangement done for soil resistivity testingandsubmission of report with recommendationdeemed to be included in the quoted rate. |
| 3 | (ii) The description/ size/ qty of items mentioned in above are for indicating only however qty/ size may vary at site condition to maintain the earth resistance 1 ohm. The contractor shall quote rate by considering all factors. |
| 4 | (iii) Rateofearth energizer compound of 25 Kg of 02 bags and earthresistance reducingliquid 10 litre per cane for each pit deemed to be included in the quoted rate. |
| 5 | (iv)Resistivity of earth energizer compound and resistance reducing earthing liquid shall be certified by any NABL accredited lab carried out as per IEC-62561-7 read with ASTMG57-06, CI-3.4A and the certificate of same shall be submitted by the contractor along with sample approval. |
| 6 | (v) Earth enhancing material should not leach into the adjacent soil or underground water channels and its PH value should be in neutral range complete all as specified and as directed. It should solidify when mixed with water and set like concrete. |
| 7 | (vi) Copper strip of size 20 x 3 mm (99.99% molecularly copper) shouldbe fixed on proper post insulator at the instrument end ( copper strip upto 7.5 RM will be considered in unit quoted rate and extra will be measured and paid separately). |
| 8 | (vii)Testing of earth shall be carriedout in presence ofdepartmental and user representativeand report shall be submitted to Garrison Engineer duly signed by all concerned. |
| 9 | (viii)Earth resistance tester will be provided by the contractor.Tester should be calibrated from authorised company/ lab. |
| 10 | (ix)Earthing shall be tested after completion of work by the contractor in presence of Engr-in-charge, user and proper record shall be maintained duly signed by all concerned.After testing if the desired earth resistance of less than 1 Ohm is not obtained, the earthing will be redone at no extra cost to Govt. till desired result is obtained. |
| 11 | (x) The contractor shall give a written guarantee of minimum three years for maintaining the earth resistance less than 1 Ohm after certified date of completion. |
| 12 | (xi) No further maintenance or periodic watering or recharge shall be required in earthing during its guarantee period of over 03 years in all type of soil including soft/ disintegrated or hard rock. |
| 13 | (xii) During the guarantee period, if earth resistance is not maintained less than 1 ohm the contractor has to redo or rectify at no extra cost to Govt till desired result is maintained. |
| 14 | (xiii) A security deposit of value equal to 2.5 % of the rate quoted for each chemical earthingeach earthing shall be retained from payment due to the contractor from final bill for the guarantee period. |
| 15 | (xiv) The electrode shallcarry manufacturer\"s name . |
| 16 | (xv) The connection clamp shall be permanentlly welded to the copper boundedrodto avoid any kind of connectivity loss,.The pre-welded copper bounded rod shall not need any additional clamp for termination. |
| 17 | (xvi) The acceptable earth resistance at earth busbar/ test point shall not be more than 0.1 ohm. |
| 18 | (xvii)Earth work such as auguring andmaking good the surrounding area shall carried out in any type of soil. |
| 19 | (xviii)The contractor shall submit CPRI India certified document for copper bonded rod to ensure genuity of material along with sample approval. |
| 20 | (xix) Sign boardof mild steel 2 mm thick duly painted with two coats of synthetic enamel paint over a coat of red oxideZinc chrome primer showing result of earthing should be fixed near the earth pit after completion as directed . |
| 21 | Material and labour for Earth pit cover madeof heavy duty poly plastic of high grade polypropylene tested and certified by any NABL accredited lab for load bearing capacity not less than 7.2 tonnes with top dia not less than 250mm, bottom dia not less than 330 mm and height not less than 260 mm for each electrode pit complete all as specified and directed. Make : Model SEPC 250 of SAFE TRODE/ Electrogrip Model/ EGTEK3LC of ISG Global or equivalent. Note :- The contractor shall submit load bearing capacity certificate from the manufacturer. |
| 22 | Material and labourfor Earthpit indicator for existing earthing pit made out of 16 mm dia and 60 cm long MS Squre Bar embedded in PCC (1:3:6) type C-1 using 20 mm graded stone aggregate in PCC block of size 30 X30 X30 cm including CI/MS plate of size 250X300X 3 mm thick fixed on side of earth pit cover complete painting and writingover the plate ie. Type , Result, Date of measurement and pit numberwith Black back ground with white complete all as specified and as directed. |
| 23 | S&F Copper strip 20 x 3mm thick (99.99% molecularly copper) as earthing lead fixed to wall/roofs etccomplete all as specified and as directed.NOTE : All Joints should be joined by Exothermic Welding or Brazing. |
| 24 | Supply and fixing test point terminal block made of gun metal or phosphorus bronze, size 75mm x 75mm x 25 mm thick, drilled and screwed including 3 Nos. 8 mm dia. 25 mm long hexagonal head screws, complete all as specified and as directed. |
| 25 | Supply and fixing for aluminium earth continuity conductor or main earthing lead fixed to wall /roof top offor lightning arrester /fixed to poles or any other indicated situation for loop earthing etc. as required for 25 mm x 3 mm thick, aluminium using porcelain clit/post insulators with screw / selfdril GIscrew with rubber washer , complete all as specified and directed. |
| 26 | Supply and fixingAir termination, single pointed, copper rod 12 mm dia and 300mm long (99.99% molecularly copper) fixed to GI Strip / aluminium strip including nuts,bolts & washersfor earth conductivity to ground complete all as specified and as directed. |
| 27 | Supply and fixing for GI 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. as required for 25 mm x 4 mm thick,Galvanisedusing porcelain clit/post insulators, complete all as specified and directed. |
| 28 | Supply and laying copper bonded round conductor rod of 10mm for connecting the earthling pits together using exothermic welding joint complete all as specified and directed. |
| 29 | Supply and fixingAir termination, single pointed, aluminium rod 12 mm dia and 300mm longfixed to GI Strip / Aluminium strip including nuts,bolts & washersfor earth conductivity to ground complete all as specified and as directed. |
| 30 | Supply and fixingfor GI 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. as required for 32 mm x 6 mm thick,Galvanisedusing porcelain clit/post insulators, complete all as specified and directed. |
| 31 | Taking up or down 15mm steel water tubing and connections in any position complete all as specified and directed. |
| 32 | Taking up or down 20mm steel water tubing and connections in any position complete all as specified and directed. |
| 33 | M&L for galvanised steel tubing 15mm bore medium grade with all fittings fixed complete to walls and ceilings or laid in floors complete all as specified anddirected. |
| 34 | M&L for galvanised steel tubing 20mm bore medium grade with all fittings fixed complete to walls and ceilings or laid in floors complete all as specified anddirected. |
| 35 | S&F rotational moulded polyethylene water capacity tanks of storage500L triple layer (cylindrical vertical with closed top) hoisted and fixed in position with tank nipple / adaptor wherever required complete all as specified anddirected. |
| 36 | S&F of ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed for 25 mm bore pipe complete all as specified anddirected. |
| 37 | S&F 15mm bore Bib taps long body with aeratoror flow regulatorchrome finished, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule with connected accessories with wall flange complete all as specified and directed, Cat Part No - T 4604A1/G5204A1 of make - Parryware or equivalent in Jaquar/ Hindware |
| 38 | Excavating in post holes (or similar holes) each n exc 0.5 Cum, getting out in hard/dense soil,returning, filling in and ramming earth or broken rubble mixed with earth ground, in layers not exceeding 25 cm, watering, and removing surplus soil to a distance n exc 50m and making good surface all as specified and directed. |
| 39 | M&L for Cement concrete 1:3:6 type C2 (using 40 mm graded stone agg) as in foundation, filling and for mass concrete complete all as specified and directed. |
| 40 | S & F Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc.including necessary cutting, drilling, welding etc and bending to swan neck shape as required and drilling holes notching for wires etc conforming to Fe-410- W(Gde- E-250) quality- B complete all as specified and directed. |
| 41 | S&F of mild steel screw bolts (machine made) 16 to 20 mm diameter of neck with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, exc 5cm long and n exc 10 cm longall as specified and directed |
| 42 | M&L for preparation of new steel surfaces of any description, over 10 cm width or girth, not otherwise described and applyingtwo coats of synthetic enamal paint over a coat of red oxide primer complete all as specified and directed. |
| 43 | S&F of CP 1.5m pipe health faucet all as specified and directed. Make: Hindware/ jaquar/Cera or equivalent. |
| 44 | S&F in repairs Brass chromium plated 2-in-1 tap 15mm boreof Make: Hindware/Jaquar or equivalent for fixing of health faucet all as specified and directed.Note :- An amount of Rs 5400.00 on account of credit schedule for schedule \"A\" part II shall be deducted from the total amount of BOQ to arrive at the contract sum. |
AI Tender Summary
Tender Timeline
Sep 21, 2024
11:30 IST
Tender Published
Tender notice published.
CompletedOct 12, 2024
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
CompletedOct 19, 2024
Bid Opening Date
Technical bids will be opened and evaluated.
CompletedTender Documents
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