Conservation & Restoration of Dahegaon Barav, At.Gangapur, Tq.Gangapur,Dist.Chhatrapati Sambhajiagar- 1 Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in- charge. Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose. (2) The payment will be made once only for execution of all items for such works. 2 Gently cleaning the surface of stone masonry and piers with specialized water misting techniques employing air water jet using a fine nozzle sprinkling system calibrated to spray fine mist along the stone surface without over wetting followed up by gentle brushing with soft nylon brushes and removing dirt, dust, bird dropping, grease, oil, algae, fungus, monkey beats, vegetable growth etc.as specified. Gentle surface cleaning may include using water misting and mild pH balanced surfactants as specified for indicated areas to remove the surfce dirt, grit accretions by means of water misting and cleaning etc. complete as directed by the Engineer in Charge.(The rate is inclusive of all materials & labours involved except scaffolding). 3 Lowering down carefully existing brick masonry of the monument manually in proper order including shifting the bricks up to a distance of 50 meter beyond the monument area and stacking them as directed by Engineer in-charge, removing building rubbish and cleaning the site etc. complete. 4 Numbering the monument elements in proper order before starting the actual work by finding the stones laying on grouynd, with reference to the exisitng drawings; with approved colours and shades as directedd by engineer - in - charge, including ladder , scaffolding, etc. complete 5 Lowering down carefully existing stone masonry of the monument manually in proper order including shifting the stone elements up to a distance of 50 meter beyond the monument area and stacking them as directed by Engineer in-charge, removing building rubbish and cleaning the site etc. complete. 6 Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. (Lift upto 0.00 to 1.50 m.) By Manual Means 7 Providing soiling using 80 mm size trap metal in 15cm. Layer including filling voids with sand/ grit ramming, watering complete 5.0to9.0BHP pump etc. complete. 8 Providing Un-coursed Rubble Masonry of trap / granite stones in lime mortar 1:1½, in foundation and plinth as per detailed specifications and drawings or as directed including the stones to be set in the work as received from the quarry, after merely knocking off weak corners and edges with the masons hammer, the stones shall be carefully laid so as to break joints, no joint shall exceed 12.5 mm. (½″) in thickness, every stone shall be set flush in mortar, the face stone shall be for greater size, and good beds, one through stone shall be inserted at least every 0.80 sq. mete (1 square yard), the joints shall be racked out carefully at least 25mm. (1″) where pointing or plastering to be done, striking joints where no pointing or plastering is to be done, preparing the lime mortar in lime miller, bailing out water, watering and all exposed masonry work when handed over to be perfectly clean and free from all mortar stains etc. complete. 9 Providing/Re-setting Brick Masonry Second Class in superstructure of reuse-bricks in lime mortar 1:1½, as per detailed specifications and drawings or as directed including the bricks to be soaked in water for 12 hours before used, the bricks are to be laid flush in mortar in such bond as directed, as far as possible, bricks of uniform colour are to be selected for the face work when it is not to be plastered, the joints are not to exceed 12.5 mm. (½″), no bats or half brick to be used in the work, racking out joints where pointing or plastering to be done, striking joints where no pointing or plastering is to be done, preparing the lime mortar in lime miller, scaffolding, watering and all masonry work when handed over to be perfectly clean and free from all mortar stains etc. complete. 10 Providing/Re-setting Brick Masonry Second Class in superstructure of reuse-bricks in lime mortar 1:1½, as per detailed specifications and drawings or as directed including the bricks to be soaked in water for 12 hours before used, the bricks are to be laid flush in mortar in such bond as directed, as far as possible, bricks of uniform colour are to be selected for the face work when it is not to be plastered, the joints are not to exceed 12.5 mm. (½″), no bats or half brick to be used in the work, racking out joints where pointing or plastering to be done, striking joints where no pointing or plastering is to be done, preparing the lime mortar in lime miller, scaffolding, watering and all masonry work when handed over to be perfectly clean andfree from all mortar stains etc. complete. 11 Providing Brick Masonry Second Class in superstructure with size of brick 9″ x 4½″ x 2½″ in lime mortar 1:1½, as per detailed specifications and drawings or as directed including the bricks to be of uniform size, moulded ground, thoroughly well burnt and sound, ringing clearly when stuck with trowel, the bricks to be soaked in water for 12 hours before used, the bricks are to be laid flush in mortar in such bond as directed, as far as possible, bricks of uniform colour are to be selected for the face work when it is not to be plastered, the joints are not to exceed 12.5 mm. (½″), no bats or half brick to be used in the work, racking out joints where pointing or plastering to be done, striking joints where no pointing or plastering is to be done, preparing the lime mortar in lime miller, scaffolding, watering and all masonry work when handed over to be perfectly clean and free from all mortar stains etc. complete. 12 Providing Soil Bag Support to the monument with contractor´s soil in proper layers carefully as directed by Engineer in-charge including filling, tying and conveying the bags, removing the soil bags after work up to a distance of 50 meter beyond the monument area and cleaning the site etc. complete. 13 Providing/Re-setting Brick Arching Second Class of reuse- bricks in lime mortar 1:1½, as per detailed specifications and drawings or as directed including the bricks to be soaked in water for 12 hours before used, the bricks to be laid in concentric half brick ring, the joints are to be properly summered and not to exceed 17 mm. (⅔″) in thickness, the joints to be truly radial to the curve at all points, great care to be taken that the rings are bonded together properly, whenever the joints of any of the rings come to a summering or plane face, all arches to be turned on centrings, preparing the lime mortar in lime miller, cantering/scaffolding, watering and all arch work when handed over to be perfectly clean and free from all mortar stains etc.complete. 14 Providing Brick Arching Second Class of second class bricks of size 9″ x 4½″ x 2½″ in lime mortar 1:1½ as per detailed specifications and drawings or as directed including the bricks to be of uniform size, thoroughly well burnt and sound, ringing clearly when stuck with trowel, the bricks to be soaked in water for 12 hours before used, the bricks to be laid in concentric half-brick ring, the joints are to be properly summered and not to exceed 17mm. (⅔″) in thickness, the joints to be truly radial to the curve at all points, great care to be taken that the rings are bonded together properly, whenever the joints of any of the rings come to a summering or plane face, all arches to be turned on centrings, preparing the lime mortar in lime miller, cantering/scaffolding, watering and all arch work when handed over to be perfectly clean and free from all mortar stains etc. complete.. 15 Removing the existing cement / lime plaster of any thickness without causing dust nuisance and stacking the debris upto a distance of 50 metres or spreading in the compound and cleaning the site etc. complete. 16 Providing12 mm. thick Rough Cast Lime Plaster in single coat in lime mortar 1½:1 in superstructure, as per detailed specifications and drawings or as directed including all joints in masonry and brick work are to be racked out to a depth of at least 20 mm. and the wall to be washed with fresh water and thoroughly wetted for six hours before plastering, the plaster to be applied in an even and uniform coat well pressed in to the joints and to be well beaten for 1½ days with hand tappers, the plaster should also be well sprinkle during the proses of beating with a mixture of 1.10 kg jaggary and 640 gram pulp of wood apple (Belfruit) in 90 to 135 litre of water, the plaster being wetted occasionally with fresh water while the beating is in progress, all exposed angles and junctions with door frame to be carefully finished, all mouldings shall be worked true to template and drawn neat, clean and level, soffits of arches must true arch of circle, preparing the lime mortar in lime miller with1.60 kg Gugal (a kind of fragrant gum) and 960 gram chopped hemp (fibre of bhendi or tag ) per cubic metre of lime mortar as a bonding material, of lime as a bonding material, scaffolding, watering and allwork when handed over to beperfectly clean and free from all mortar stains etc. complete 17 Providing Fine Coat Of Lime over rough cast plaster in superstructure, as per detailed specifications and drawings or as directed including the finishing coat is to be applied over rough cast plaster and well-polished with trowel, preparing the lime mortar, scaffolding and watering complete.. 18 Providing and laying cast in situ 1:1:4 Lime Concrete of broken brick metal for coping or waterproofing as per detailed specifications and drawings or as directed including centring, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing if required, with fine aggregate, preparing the lime mortar in lime miller and then mixing with coursed aggregate or surkhi in drum mixer, the concrete must be bitten for two days with pouring water as per specifications, scaffolding, watering and all concrete work when handed over to be perfectly clean and free from all mortar stains, etc. complete. 19 Providing and applying three coats of White-wash on old/new as per detailed specifications or as directed including scrapping and preparing the surface by brushing and sweeping down, scaffolding if necessary, etc. complete. 20 Providing and fixing Stone Paving, Second Sort in lime mortar 1:1½, with size of stone 45 cm. x 30 cm. x 15 cm., as per detailed specifications and drawings or as directed including all stone slabs to of approved quality, hard, even, sound, durable and uniform thickness, the stones to be not finely chisel-dressed on the surface and the course to be of prescribed width, true for top 25 mm. (1″), the joints running true, the stones to be laid with joints not exceeding 8 mm. (5/16″) thick and to be evenly and firmly bedded flush in mortar on the concrete and no hollow left, side to be dressed true and as per shape at least half the depth from the face, preparing the lime mortar in lime miller, watering and all paving work when handed over to be perfectly clean and free from all mortar stains etc. complete. 21 Disposing off / conveying the dismantelled materials of stone masonry / brick masonry/ concrete/ debris/ excavated material / soil murrum / rubbish material or vegetation / grass / shrubs etc. from site to 5 Km as directed by Engineer incharge. 22 Providing and fixing of retro- reflectorised informatory sign board rectangular/Square in shape having area less than 0.9 One Square Meterr made out of mm aluminum sheet bonded with white retro reflective sheeting of Class ( Type IV High intensity micro-prismatic grade sheeting-HIP) having pressure sensitive/heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3, supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with two coats of grey stove enamel paint and supported on one no. mild steel angle iron post 75 mm x 75 mm x 6 mm, 3.5 mt long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing The angle iron post shall be duly painted with one coat of epoxy primer and two coats of epoxy finish paints having alternate black and white bands of 25 cm width including GI fixures and transportation etc.complete.The nut bolts of board with angle iron post/supporting structure after fixing at site has to be electrically welded. Class B ( Type IV High intensity micro-prismatic grade sheeting-HIP) sheeting shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier. 23 Preparing and carrying out videography, Documentary & Shooting of still photographs of Extra copies - 5 X 7 Size outdoor and indoor of roads, bridges, other structures and programme, including preliminarys survey, still shots moving shooting, necessary board for video shooting hiring of vehicle, equipment for video shoot-ing, transportation of all equipment, persons, required for shooting, lighting arrangement as may be necessary, editing, mixing, titling, lettering, sounding including cost of colouredcassette of approved quality etc. complete.
