SPECIAL REPAIRS TO DAMAGED BOUNDARY WALL AND REPAIR REPLACEMENT OF DEFECTIVE BARBED WIRE FOR SECURITY PURPOSE AT NCHC POWAI

Amount

Surface excavation n.exc. 30 cm deep averaging 15 cm deep and getting out in Hard/dense loose soil complete all as specified and directed by Engineer-in-Charge.

M & L removing building materials etc.to a distance beyond 100 mtrs upto 5Km including loading, unloading outside MD land at the destination complete all as specified and directed by Engr-in-Charge. The defenitions of load, please refer section 21 of SSR Part II 2020 (removing building materials) note (a) (b), 1 to 16

Demolition of brick work or stone boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc but excluding ashlar facings, dressed stone work and precast concrete articles.

Excavation in trenches n.exc 1.50m wide and n.exc 1.5m deep for foundation etc.in any type of Hard/dense soil and getting out complete all as specifed and directed

Removal of excavated material such as soils n.exc 100m and depositing where directed at a level n.exc 1.5 m above the starting points complete all as specifed and directed.

Returning ,filling in trenches including spreading levelling, watering well ramming in layers n.exc 25cm in Hard/dense soil (from available soil) complete all as specifed and directed.

M & L for cement concrete 1:4:8 type D2 using (40mm graded aggregate) in foundation filling & mass concrete complete all as specifed and directed.

M&L for walling of random rubble, uncoursed, well bonded, bedded and solidly hearted, built in cement mortar 1:4 complete all as specified and directed.

-do- all as per item No 08.00 above but except stones complete all as specified and directed. Note- Serviceable stones obtained vide item No 03 shall be reused after removing mortar and cleaning with water complete all as specifed and directed.

M&L for extra over stone walling for hammer dressing to face stone and dressing face beds and joints as specified of random rubble walling uncoursed or brought upto courses hammer dressed with maximum depression on face from straight edge held against the derssed surface not exceeding 20 mm complete all as specifed and directed

Raking out joints /pointing to masonry in cement mortar ,single detached joints for flashing complete all as specified and directed.

M&L complete for raised pointing to random or polygonal rubble , uncoursed or brought upt to courses in cement mortar 1:4 complete all as specified and directed.

M&L for fixing new Broken glass coping on top of walls in cement mortar 1:3 including removing the rubbish out of MD land ,complete all as specified and directed

M&L for cement concrete (nominal mix)1:3:6 type CI using 20mm graded aggregate in coping of wall etc complete all as specified and directed.

Dismantling of MS works of any description such as ,ladders,gates work,grating etc, including necessary straightening of bends complete all as specified and directed.

S & F Mild steel work of framed brackets of Angles, flats cut to shape ,drilled and countersunk for screw, as in supports for stiffening of fencing, and including bending ,welding angles and fixing sharp projections as necessary similar works confirming to Fe 290 or Gde-E165 and complete all as specifed and directed.

S & F in repairs razor type concertina coil, 9 SWG hot galvanised spring tensile wire, 145 to 150 newton per square mm, zinc coating 250-300 gram per square meter, dia of coil when unstretched 610 mm, minimum number of coils 10 per running meter after laying, hot dip galvanised razor ribbon tape of size 0.50 mm thick, 19 mm wide before wrapping central core wire, fixed with 1.66 mm thick GI clips 25 Nos per running metre and special nut bolts, hold 'Z' coils together and extra barbed wire four rows parallel wire of 10 gauge complete all as specified and directed.

S&F in repairs galvanised two strand steel barbed wire, 2.24 mm dia, barbed with 2 mm dia barbs at 75 mm spacing and straining and fixing to any type of standard rails straining bolts, including making holes in rail/angle, securing or tying at crossing with and provisions of galvanised mild steel wire, staples or steel pins etc complete all as specified and directed Note - Each line shall be measured and paid for separately.

M&L for preparation of new surfaces of steel, of any description, not otherwise described, over 10 cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

M&L for brick work with sub class 'B' old size bricks and of class designation 35 (min, compresive strength 35 Kg/sq cm) straight or curved on plan exc. 6mtr mean radius, built in cement mortar 1:6, complete all as specified and directed.

M&L for rendering CM (1:4) 15 mm thick using water proofing compound @ 2% of weight of cement as per manufactureres instructions on brick surfaces or concrete surfaces even and smooth without using extra cement complete all as specified and directed. (Note : WPC shall be measured & paid separately as supplied only).

Supply only Integral waterproofing compound complete all as specified and directed.

M & L for 150mm dia asbestos cement socketed rain water pipes with cement joints for weep holes complete all as specified and directed.

Shetty Construction Co

Shree Ayyappa Engineering