Construction of deep tube well with submersible pump

Providing & shrouding of deep tube well assembly with washed pea gravels (2.0 - 4.75 mm effectivw size) as per specification (IS: 4097) and direction of Engineer-in-charge. With contractor's rig. (i) With pea gravels obtained from Dugrapur, West Bengal.

Providing and fixing of UPVC end cap suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer-in-charge. (i) 150 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) 150 x 100 mm dia

Providing and fixing of housing camp ( made with 12mm thick MS sheet ) along with well cap (made with 10mm thick MS sheet ) with necessary arrangements for SBDTW as per specification and direction of the Engineer - in - charge. (i) 150 mm dia

Drilling and boring polot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at various suitable levels, reservation of samples in polythene bags / sample boxes and disposal of excess soil of 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. (i) 100 mm dia.

Reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil of 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. (i) From 100 mm dia pilot hole to 250 mm bore hole.

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

(A) 'CM' Casing pipe (ii) 100 mm dia

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. RS Pipe (i) 100 mm dia

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 and fixing steel sheet enclosed switch fude unit (suitable for DIN fuses) m, triple pole with Neutral Link (TPN), 415/500 Volt, L&T/Havells/BCH make etc. complete as per specification and direction of the Enginer-in-charge. i) 32 amps

Supplying and laying of the following XLPE insulated PVC sheathed aluminium armoured cable including connection etc required. ii) 3.5 core 50 sqmm

Supplying & fixing of following ratings TP/FP MCCB having breaking capacity 25 KA in the existing MCCB enclosure/ panel board including connection etc as required.ii) 150 to 160 amps FP MCCB

Supplying and fixing of the following ratings Bus bar chamber of copper strip made of sheet steel enclosure with all accessories including drilling holes on the board/ MS clamp and necessary connection etc. as required. ii) 200 amps 415 volts four strip of size (455mmx330mmx120mm)

Supplying & fixing of following ratings isolator in the existing MCB DB including connection etc. as required.ii) 40 amps FP isolator

Supplying and fixing of following alluminum terminal ends. iii) 50 sqmm

Earthing with 40mm dia G.I. Earth pipe (medium gauge) 4.5 m. long complete with masonry enclosure on top CI cover plate size 12" x 12" having locking arrangement including CC work, holes on earth pipe as required.

Extra for using salt (5kg) and charcoal (46kg) for pipe earth electrode as required.

Supply and fixing of 25 x 5mm GI strip on wall / floor of the building for horizontal / vertical run including necessary spacers and porcelain insulators at regular intervals

12 Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work

Providing structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required.

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel , galvanised iron / steel work.

Painting with synthetic enamel paint ( two or more coats ) of required colour of approved brand and manufacture on new work to give an even shade.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level: 1:2:4 ( 1 Cement: 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Supplying and installation of water lubricated submersible pump set 100W32RD2 Crompton made with single phase AC supply DOL starting method PVC insulated 3 (three core) flat cable including fixing and lowering with 40 mm GI pipe uto required depth etc complete as per direction of the Engineer in charge

SABYA SACHI SAHA

KALYAN DEBROY