Construction of 04(four) nos Small Bore Deep Tube Well including extension of pipeline FHTC with post and platform under JJM at different locations under DWS Division Kalyanpur(2nd Call)

Drilling and boring pilot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at various suitable levels, preservation of samples in polythene bags / sample boxes and disposal of excess soil or mud, including the cost for water etc. as required to maintain the pilot hole properly as per specification and direction of the Engineer - in - charge.

a) 100 mm dia

Reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil or mud, including the cost for water etc. as required to maintain the bore hole properly as per specification and direction of the Engineer - in - charge.

ii) From 100 mm dia pilot hole to 300 mm bore hole

Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer - in - charge.

Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer - in - charge. A) 'CM' Casing pipe

i) 150 mm dia

iii) 100 mm dia

B) 'RS' pipe,

i) 100 mm dia,

Providing and fixing of UPVC reducer suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. i) 150x100 mm dia

Providing and fixing of UPVC end cap / well cap suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. (i) 100 mm dia

Providing and shrouding of the deep tube well assembly with washed pea gravels ( 2.0 - 4.75 mm effective size ) as per specification ( IS : 4097) and direction of the Engineer - in - charge. A. with contractor's rig

(i) Per gravels obtained from Durgapur, West Bengal

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement- a) All work upto plinth level: 1 : 2 : 4 ( 1 cement : 2 fine sand : 4 graded well burnt brick aggregate of 20 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level:

i) 1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Centering shuttering including struttings, propping etc. and removal of form work for:

i) Foundations, footings, bases for columns.

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

i) Thermo-Mechanically Treated bars of grade Fe-500D or more

12 mm cement plaster of mix

i) Cement mortar 1:4 (1 cement : 4 fine sand)

Neat cement punning

Providing and fixing of housing clamp ( made with 12 mm thick MS sheet ) along with well cap (made with 10 mm thick MS sheet ) with necessary arrangements for SBDTW as per specification and direction of the Engineer - in - charge.

iii) 150 mm dia

Supplying and fitting fixing of single phase motor set 2HP, head (as per requirement),160 to 220 V, 50hz At Various location in/c. trail run as per specification and direction of the Engineer-in-charge.

Providing and fixing to filter and lowering to proper levels 40 mm G.I. pipe for tube well including cleaning and priming the tube well as per chapter 20 of CPWD specification and direction of the Engineer - in - charge.

Providing and fixing C.I. non-return valve of approved quality as per of CPWD specification and direction of the Engineer - in - charge. i) 50mm dia

Labour cost of lowering of 2HP/3HP submersible pump with motor in/c column pipe assembly & transportation charges from workshop/office to site in/c testing

Supplying and fitting fixing of panel box of MS sheet with locking arrangement suitable for arrangement of all electrical accessories inside the box including service connection within 50.00 mtr length from I.T line with roof for rain water protection and 4 (four) Nos. stant by R.C.C work in all respect as per direction of the Engineer-in-charge.

Supplying and fitting fixing of single phase motor starter panel unit 3.0 HP / 2.0 HP capacity comprise with 2 pole unit conductor, over load rely, capacitors, volt meter, amp meter of BCH/L&T make with necessary copper wire etc. complete as per direction of the Engineer-in-charge.

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc. complete as per specification and direction of the Engineer-incharge. I) 32 amps

Providing and fitting fixing with PVC insulated 3 core flat Copper cable conforming to relevant IS code for submerssible motor with all necessary equipments and fittings as required as per specification and direction of the Engineer-in-charge. i) 2.50 sq mm

Excavating trenches of required width for pipes, cables etc. including exacavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm (slope-1 in 200)including getting out the excavated soil and backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil with all required leads as per Chapter - 2 of CPWD specification and direction of the Engineer - in -charge. A. For UPVC pipes in new work a. In all kinds of soil

i) For pipes not exceeding 90 mm dia.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. -All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

All kinds of soil

Providing and fixing G.I. pipes medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc. complete as per CPWD specification and direction of the Engineer - in - charge. A) External Work

i) 15 mm dia. nominal bore

v)40 mm dia. nominal bore

vi) 50 mm dia. nominal bore

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will be paid separately).

(i) 15 mm dia

(b) 20 mm dia.

(c )25 mm dia.

Providing, fixing and laying rigid UPVC pipes conforming to IS : 4985 jointing with couplers, of same class conforming to IS : 10124 ( Pt-II ) with solvent cement conforming to IS : 14182 including testing of joints complete ( but excluding the cost of specials like bend, tees etc. which will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. A. Class - 3 ( working pressure 6.0 kg / cm2)

ii) 50 mm OD

i) 40 mm OD

Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

ii) 20 mm dia

iii) 40 mm dia

iv) 50 mm dia

Providing and fixing G.I. equal Tee with the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i) 15x15x15x mm dia

v) 40x40x40 mm dia

Providing and fixing G.I. Reducer with the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 40x15 mm dia

i) 20x15 mm dia

ii) 40x25mm dia

Providing and fixing G.I. union as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia.

iii) 20mm dia

v) 40 mm dia.

vi)50 mm dia.

Providing and fixing of G.I. socket as per CPWD specification and direction of the Engineer-in-charge.

i) 15 mm dia.

v) 40 mm dia.

Providing and fitting fixing of brass fullway valve with handle in the GI pipe line including cutting, threading etc. complete as per CPWD specification and direction of the Engineer - in - charge.

v) 40 mm dia.

vi) 50 mm dia.

Providing and fixing G.I. Nipple of medium class as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia 150 mm long

Providing and fixing brass ferrule with C.I. cover conforming to IS : 2692 including boring and tapping the main as per CPWD specification and direction of the Engineer - in - charge.

10 mm nominal bore

Providing and fitting fixing PVC / plastic bib cock conforming to IS : 9763 in hydrant points at different location as per specification & direction of the Engineer-in-charge.

15 mm dia PVC /plastic bib cock

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i) 40 mm dia

First class brick work in foundation and plinth including cost of all materials as required complete:-

In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Providing and placing on terrace (at all floor levels) polyethylene water storage tank ISI : 12701 marked with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

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