REPAIR/REPLACEMENT AND IMPROVEMENT OF GI/PPR DISTRIBUTION PIPELINES, SLUICE VALVES, GATE VALVES, WATER SUPPLY EQUIPMENTS INCL OTHER ALLIED WORKS AND SUPPLY OF CHEMICAL ETC UNDER AGE(I) DARJEELING

Amount

Excavation in trenches in Soft/loose soil not exceeding 1.5 mtr width and not exc 1.5 mtr deep incl removing vegitation, shrubs, roots etc in plane/terrain surface as per site for laying of pipeline etc and getting out all as specified and as directed.

All as per Sl item No. 01 above but for hard/dense soil.

Returning, filling including spreading levelling watering and well ramming in layers not exceeding 25 cm thick soft/hard soil all as specified and directed by Engr-in-charge.

Removing surplus soil to a distance 150mtr and deposit where directed at alevel not exceeding 1.5 mtr above the starting point.

All as per Sl item No. 04 above but for hard/dense soil.

Taking up or down steel tubing and connections, including cleaning the pipes free from scaling for for re-fixing or removal complete with all fittings and connections of the following sizes :-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

Refixing of old steel tubing and connection in new or old position including cutting threads if required , fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches and testing for leakages complete all as specified and directed for the following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

Refixing of old steel tubing and connection in new or old position including , cutting threads if required , fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in floors, walls and ceilings, rock and testing for leakages complete all as specified and directed for the following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

Supply and laying steel water tubing medium grade, galvanised with all fitting, laid in trenches and testing for leakages complete all as specified and directed for the following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

Supply and laying steel water tubing medium grade, galvanised with all fitting, fixed to wall, rock and ceilings or laid in floor and testing for leakages complete all as specified and directed for the following sizes:-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

80 mm dia

Taking up or down PPR pipe and connections, including cleaning the pipes free from scaling for for re-fixing or removal complete with all fittings and connections of the following sizes :-

63 mm dia

90 mm dia

Refixing of old PPR Pipe and connection in new or old position including fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches and/wall etc testing for leakages complete all as specified and directed for the following sizes:-

63 mm dia

90 mm dia

Supply, laying and testing of polypropylene random copolymer (PP-R) (PN-16-SDR-7.4) 3 layer pipes ISI marked as per IS-15801, UV stabilized and anti microbial fusion welded having thermal stability for hot and cold water supply all PPR plain and brass thread polypropylene random fittings fixed complete to walls, ceilings or in floors etc of following sizes including all fittings.

63 mm dia

90 mm dia

Supply and fix in replacement of unserviceable Gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipes and fixed complete all as specified and directed for the following sizes:-

20mm dia bore

25mm dia bore

40mm dia bore

50mm dia bore

80mm dia bore.

Supply and fix in replacement of unserviceable ball brass valves, high pressure with polythene float and flynut alongwith socket/reducer of suitable size, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed for the following sizes:-

20mm dia bore

25mm dia bore

M&L for Arresting leakages of sluice valves by replacing Gland packing, gland bush, gland falange, nutbolts, gasket, packing material as required after dismantling in existing position including testing on completion complete all as specified and directed for the following sizes:- Note: Quoted rates inclusive of the materials mentioned above like Gland packing, gland bush, gland falange, nutbolts, gasket, packing materia etc as required to arrest the leakages.

80 mm Dia

100 mm Dia

S&F CI specials such as bends (any type, radius or angle) tapers any type (Straight, bend, increase, decrease or double socket etc) tee pieces, single 'Y' branch, double branch cross (all sockets, socket and spigots, collars, cap plugs etc up to 150 mm bore complete all as specified and directed.

M&L for run lead joint for 80mm pipe including spun yarn etc for spigot and socket pipes and fittiings complete all as specified and directed.

M&L for replacement or in new position of structural steel sections any shape and dsize cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including welding, bending cold or hot, drilling holes for hinged, in any shape or size as indicated for valve chamber top cover, 4 mm thick MS sheet cover fixed on 40 mm X 40 mm X 6 mm thick angle iron frame with locking arrangement, mild steel handle, and painting to steel surfaces with two coats of synthetic enamel paint over one coat of primer including disposal of surplus soil to a distance not exceeding 50 m etc complete all as specified and directed.

M&L PCC 1:3:6 type C1 using 20 mm graded stone aggregate for coping & platering of valve chamber complete all as directed

M&L PCC 1:2:4 type B1 using 20 mm graded stone aggregate for FILLING / FOOTHPATH/ ROAD complete all as directed

Repairing of Sluice valves raising / non raising types after dismentling the same by replacing stem , gate/ disc , stuffing box, Seat, Gland packing, gland bush, gland falange, nutbolts, gasket, packing material, threading , welding as required for proper functioning of Sluice valves complete all as directed. Note: Quoted rates inclusive of all the materials mentioned above like stem, gate/ disc, Seat stuffing box Gland packing, gland bush, gland falange, nutbolts, gasket, packing materia etc as required for proper functioning of the valves.

80 mm Dia

100 mm Dia

M&L for Cleaning of semi under ground RCC sump of capacity 200000 gallons throughly removing mud, grits etc. from the sump by following method: -

(a) Drain out the water by using exist valve/high capacity dewatering system.

(b) Cleaning inside of the tank by using suitable chemical and scrubbing the wall of the tanks.

(c) Fresh water cleaning by high speed jet pump

(d) First Bacteria Screening is sterilization by using suitable chemical

(e) Cleaning the floor of the water tank by heavy duty industrial vacuum cleaner

(f) Second Bacteria Screening is sterilization by using UV ray

(f) Third Bacteria Screening is sterilization by using suitable chemical

All as above item No. 65 above but in capacity 50,000 Gallons.

Supply only GI fittings any type as required at site suitable for 20-25 mm bore, medium grade, ISI marked, smooth finished and make embossed on fittings complete all as specified and directed.

All as per Sl item No.74 above but 40-50mm pipe

All as per Sl item No.74 above but 80-100mm pipe

Repair/rectification of leakages to water supply distribution lines 20mm/25mm bore GI/PPR tubing with provision of necessary excavation,cutting of hard standing , returning and filling in as required, tightening of loose joints of union, elbow, sockets etc, threading if required including replacement of GI unions/sockets/nipples as required at site complete all as specified and directed.

All as per item No.77 above but for GI tubing 40 mm bore to 50 mm bore

All as per item No.77 here-in-before but for GI tubing 80 mm bore.

Attending routine compaints of external water supply including rectification of minor defects by taking down of existing GI/PPR tubing up to 25 mm bore, cutting/threading and making joints and cleaning for any blockages, opening of float valve of service tanks, cleaning and fixing the same in its position, replacement of jumper valve/ packing sheet of gate valve and including replacement of GI unions/sockets/nipples etc as required at site complete all as specified and directed.

All as per item No . 80 above but for GI tubing 40mm/50mm bore.

Attending compaints of BLOCKAGE OF WATER PIPE LINES / NO WATER SUPPLY AT ANY kind of ACCOMODATION ( MARRIED / OTM/ single / multi story building ) , IDENTIFY THE FAULTS including rectification by taking down of existing GI/PPR tubing up to 80 mm bore, cutting/threading and making joints and cleaning for any blockages, opening of float valve of service tanks, cleaning and fixing the same in its position, replacement of valve/ packing sheet of gate valve and including replacement of GI unions/sockets/nipples etc as required at site TO RESTORE WATER SUPPLY complete all as specified and directed.

Notes for Sl item No. 72 to 82 :- (a) The contractor will be alloted complaints at MES complaint cell on requirement basis on all working days including Sundays and holidays and sufficient tradesman / resources will be deployed by him/her for completion of day to day comaplaints within 12 hours from the time of reporting. Any delay beyond above mentioned time limit without intimation of genuine cause, penalties will be recovered twice of the quoted rate for each un-attended complaint. (b) A detailed log book of complaints with completion/non-completion remarks from users/MES will be maintained by the contractor and the same will be updated on daily basis in consulatation with JE E&M/Engr-in-Charge.

(c) The contractor will make suitable arrangment for emergency complaints and will notify authorised representive/Engr-in-Charge about extraordinary circumstances for probable non-completion or delay in rectification of complaints beyond stated time limit set for disposal of complaint. In case of any dispute the decision of accepting officer will be final and binding in this regard.

(e) The quoted rate is deemed to be inclusive of transportation and other expenses required for the resource deployment at the complaint site around scattered Military station. (f) The contractor will maintain location wise record of each spare/fittings utilized as per inventry format given by AGE E/M, Secunderabd and the same shall be submitted to E/M No II store yard on requirement basis. (g) The stationery required for the job work such as complaint slip books, gate pass book, job card and T&P shall be arranged and maintained by the contractor.

(h) The cost of excavation / earth work above 1 CUM mesured and paid separately under relivent items . (j) Contractor is responsible for repair/replacement of any damages to the existing structures, Under Ground HT/LT/OFC Cables etc during the course of execution. (k) Spares/GI fittings required to be replaced and shall be measured and paid separately under respective items.

M&L for replacement of existing water level indicator in semi UG sump of any size , capacity and height by by Float and board types levelGuage using rope, ball valve, pully, necessary support, PCC ,display board, indicator/pointer , necessary painting and numbering complete all as required for proper functioning of level indicator complete all as specified and directed.

M& L for collection and chemical & bacteriological analysis of water sample from Govt agency complete all as specified and as directed.

M&L for painting of water distribution header including all control valves and all exposed pipe of any size by using synthetic enamelled painting after scrapping /cleaning complete all as directed .

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum/ amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Note 3:-Products "Make" of BOQ items are given in Particular Specification of Tender Documents.Bidders are advised to keep in mind of all products make as per Particular Specification of Tender Documents before quoting the rates .Note 4:-Testing the water qualify at cleaned UG Sump and testing to be carried out accordingly to periodicity of work also from state/centre approved testing lab .Test report should be submitted before payment to the contractor.

Darjeeling Enterprises

JALAPAHAR HARDWARE

KWOK YING CHIU

M/S TSHERING BHUTIA