REPAIR MAINT OF INNER AND OUTER FORT WALL IN OD FORT UNDER GE (EAST) PRAYAGRAJ.

Amount

Clearing jungle including uprooting of rank vegetation , grass brush wood , trees and sapling of girth up to 30 CM measured at 1.0 mtr above ground level and removal of rubbish up to a distance of 50 mtr out side the periphery of the area cleared complete all as specified and directed.

Cleaning the sand stone surfaces and removing dirt, dust, bird dropping , grease, oil, algae, monkey beats etc with the help of required scrubbers complete in all respect, including de-vegetation by removing bushes, trees of any girth from the monument wall & roof/ structure carefully to avoid further growth including disposal of rubbish within 50 mtr. Lead as per direction of Engineer -in Charge including necessary scaffolding upto requisite height and all safety equipments. including taking all precaution to safeguard ventillators, windows, doors etc by suitable covering so as to avoid any damage to the building / structure, all as per direction of Engineer-in-Charge. Note: (i) Fort wall is inaccessible for heavy machinery. Material and labour to be carried near site manually. (ii) Before quoting of rates, contractor may visit the site of Fort wall of Yamuna front extending from Qila Ghat to Saraswati Ghat (iii) Maximum height of the wall is 50mtr from normal river water level

Taking out cracked and decayed veenars stone very very carefully includding stacking of dismantled material away from site as directed by the Engineer -in Charge

Taking out decayed and buldged R.R masonry including stacking of serviceable items and removal of ruubbish material from site to a lead of 50 mtr.

Stone work ( Machine cut edge ) for wall lining etc ( veneer work) up to 10 mtr height , backing filled with grout of average 12 mm thick lime mortar 1:1:1 ( 1 Lime : 1 surkhi : 1 coarse sand ) including pointing in the lime mortar 1:1:1 ( 1 Lime : 1 surkhi : 1 coarse sand ) with an admixture of pigment matching the stone shade : ( to be secured to be backing and sides by means of cramps and pins which shall be paid for separately ) : stone ( matching with origional exposed face fine dressed with rough backing 40 mm thick including necessary scaffolding. NOTE: (i) Contractor shall procure stone in bulk only after approval of sample by GE/Engineer-in-charge in writing. (ii) Procured material shall be incorporated in the work after approval of material as per sample approved by Engineer-in-charge. (iii) Before quoting of rates, contractor may visit the site of Fort wall for stone work

Cleaning the sand stone surfaces and removing dirt, dust, bird dropping , grease ,oil , algae , monkey beats and any vegetation growth etc including providing ,applying and washing the surfaces with cleaning agent or sand pressure jet as approved by Archaeological Survey of India / Engineer -in - charge, with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silca where ever required, without causing any scratching/damage to the stone surfaces and finally washing the surfaces with clean water with the help of pressure jet machine, complete in all respect, including necessary scaffolding taking all precaution to safeguard ventillators, windows, doors etc by suitable covering so as to avoid any damage to the building / structure, all as per direction of Engineer-in-Charge. Note: Before quoting of rates, contractor may visit the site of outer fort wall extending Bade Hanuman Mandir to Qila ghat and certain areas inside Fort

STONE WORK

Consolidation of loose / damaged stone masonry with hard stone in super structure above plinth upto five floor level including carefully dismantling of stone , cleaning of mortar and reconsolidating using old re-usable stone for masonry with lime mortar 1:2 (1 lime : 2 Coarse sand) Random Rubble masonry.

Providing and fixing sloping chajja of stone 40 mm thick and 80 CM wide beyond the wall as mesured along the slope in lime mortar 1:1:1 ( 1Lime :1 surkhi:1 coarse sand ) with 12 mm diameter anchoring steel bar , 45 CM long fixed in each stone and supported on and including with bricks cove in lime mortar 1:1:1( 1Lime :1 surkhi:1 coarse sand ) , including pointing in lime mortar 1:2 ( 1 lime :2 Surkhi) with and admixture of pigments matching the stone shade : red sand stone , with common burnt clay F.P.S ( non modular) bricks of class designation 7.5

Providing and fixing adjustable stainless steel cramps of approved quality , required shape and size, adjustable with stainless steel nuts ,bolts and washer ( total weight not less than 260 grams ) for dry stone cladding fixed on frame work at suitable location , including making necessary recesses in stone slab , drilling , required holes etc complete as per direction of the Engineer -in Charge.

Providing and Fixing copper pins 7.5 cm long and 6 mm diameter for securing adjacent stones in stone well lining in 1:1:1( 1Lime :1 surkhi:1 coarse sand ) , including makking the necessary chases.

Providing and fixing red stone brackets 55x22.5x 45 cm sunk and moulded including providing and fixing with 04 Nos gun metal cramps 25x6 mm , 30 cm long and dowel bars 7.5 cm long ,6mm dia as per design.

Providing and fixing stone jali 40 mm thick throughout in lime mortar 1:1:1 (1 Lime :1 surkhi:1 coarse sand ) , including pointing in lime mortar 1:2 ( 1 Lime : 1 Surkhi : 1 Corase sand) with admixture of pigments , amtching the stone shade , jali slab without any chamfers etc Red sand stone

Finishing walls with textured exterior paint of required shade : New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including priming coat of exterior primer applied @ 2.20kg/10 sqm

Raking out to joints /pointing of lime mortar squared rubble masonry, coursed or uncoursed raking or including cutting out joints and decayed mortar etc, not less than 12mm deep, washing the joints, removing rubbish off the premises, and keeping the surface to be pointed wet for 2 days prior to re-pointing. complete all as specified

M&L for 12 mm deep flush pointing to random rubble masonry, uncoursed or brought upto courses using lime mortar 1:3 complete all as specified

Taking down lime plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc.

M&L for 20 mm thick lime plaster in ratio of 1:2 on stone masonry surfaces or surface other than fair face of brick-work or on one side of lathing complete all as specified.

Demolition of lime Concrete of any description and in any position not otherwise specifically provided for coping, benching etc

M&L for providing Lime concrete in ratio of 1:1:3 using 20 mm graded stone aggregate as in coping , benching including necessary form work complete all as specifed

Taking down of door or window frame chowkhats( without taking off shutters from the frames) of area not exc 1.50 Sqm each complete all as specifed

Taking down of door or window frame chowkhats( without taking off shutters from the frames) of area exc 1.50 Sqm but not exc 4.00 Sqm each complete all as specifed

M&L for Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in 1:4 cement sand mortar of hieght up to 4th storey building

M&L for Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade: New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm

M&L for heavy duty out door coloured ceramic tiles exceeding 0.11 sqm but not exceeding 0.18 sqm 12 mm thick set and jointed in neat cement slurry & pointed with coloured cement to match in floor over and including 15 mm thick screed bed in cement mortar (1:4) including dismantling of exsiting tiling/pcc floor/ wall any type and removing dubries outside of Md/OTM accn complete all as specified and directed.

M & L for plain cement concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregate) in levelling course for floor heavy duty tiles in open area benching etc, finished even and smooth witht out using extra cement, complete all as specified and directed.

Demolition of Stone slabs and tiles of any description or thickness in floors,walls etc.laid bedded and pointed in any mortar complete all as specified and direced.

S & F 40 mm thick Dholpur sand stone slabs as in flooring, dressed close picked on exposed faces, set and jointed in cement and stone dust mortar 1:3 and pointed in cement mixed with approved pigment to match including 20 mm thick screed bed cement mortor 1:6 complete all as specified and directed.

M & L for 25 mm thick cement concrete type type B-0, 1:2:4 (12.5mm graded aggregate) as in sub base complete all as specified and directed.

Rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations

Supply & fixing sand stone jali 40 mm thick through out in cement mortar 1:3 (1 cement : 3 coarse sand), including pointing in white cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment, matching the stone shade, jali slab without any chamfers etc. Red sand stone complete all as specified and directed.

Material & Labour sand stone pillar work moulded at top and both side make a groove for fixing of sand stone jali cement mortar 1:6 (1 cement : 6 coarse sand) including pointing with white cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment matching the stone shade : Red sand stone

Stone work ashlar sunk or moulded or sunk and moulded upto floor five level in cement mortar 1:6 (1 cement : 6 coarse sand) including pointing with white cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment matching the stone shade : Red sand stone

M&L for PCC 1:2:4 type B0 (using 12.5 mm graded stone aggregate) as in roof padding, coping , kerb etc finishing the surface fair & even. complete all as specified and directed.

M&L including preparation of PCC/RCC roof surfaces and then providing 10 mm thick modified plaster in cement mortar l:4 cement mixed with polymer in ratio of 1:10 (1 part of polymer and 10 parts of cement) applying priming coat of epoxy primer with resin and hardener with water dilution as per manufacturer instructions, applying two coats of solvent based polyurethane liquid membrane not less than 500 micron thick UV stable having SRI value greater that equal to 105 with consumption of 0.61 Kg/Sqm (each coat), complete all as specified and directed. NOTE : Application shall be done through Authorized Applicator of manufacturer.

Supply only Liquid water proofing compound of approved make complete all as specified and directed..

M&l screed bed 10 mm thick in cement mortar 1:3 over roof slab mixed with water proofing compound ( WPC to be measured and paid separately) as per manufacturer’s instructions finished even & fair complete.

Cutting grooves with mechanical cutter in brick wall /stone wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3

S&F 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to wall incl necessary clamp etc complete all as specified.

S&F 110 mm dia PVC (SWR) bends any radius complete all as spicified

M/s NSA Engineering Corporation (BID ID -3129124)

DKS ENGINEERING WORKS (BID ID -3128361)