tender for river sand , surkhi , lime , brick bats of 20 mm , jaggery , antuwalakai , kadukkai , grinding machine hiring including fuel charges , grinding machine , lime mixing machine , size stone , special size bricks , rubbles stone , modular common brunt clay bricks , cement mortar , trowel sharp edge - blades , trowel curve edge , wooden float , plastic buckets 25 liters , aluminium screed 2inchx1inchx5feet , aluminium screed 2inchx1inchx3feet , curing pipe one inch 100 meter , saw blade , rubber hand gloves set , cloth hand gloves set , gumboots , safety helmet , safety goggles , shovel , pvc round pan , sieving mesh , plastic water storage pot , water storage plastic drums , pvc water drum 2000 liters capacity , 2 hp motor , tarpaulin sheet , disposable face mask , safety belt , hammer 2kgs head with handle , chisel , sharping charges of chisel , gunny bags , aluminium wire 90m coil , switch box 4 module, switch and socket , bulb led 18w , pointing trowel , wire brush , coir brush , transportation of materials , 50mm dia and 5mm thick hollow ms pipe , 2 nos ms steel 15mm thick inter lock chainage , synthetic enamel paint , carriage of rubbish item, supply of good quality river sand (coarse and fine) required for lime works shall consist of natural sand, shall be hard, durable, clean and free from adherent coatings and organic matter, shall not contain the amount of clay not more than 5percentage by mass, free from silt, shall not contain any harmful impurities such as iron pyrites, alkalis, salts, coal or other organic impurities to affect adversely the hardening, strength or durability of the mortar, supply of good quality 1st class surkhi used as fine aggregate in lime mortar. surkhi, powdered broken brick, prepared by pozzolanic material well burnt good quality bricks and clay balls, finely grinded, powdered, free from under burnt particles of soluble salts, more resistant to alkalis and salt solutions, pyrites and adherent coatings of soil or silt, used for making waterproofing, lime mortars and, lime concrete, including transportation charges, stacking in the required pattern for taking measurements as directed by the work in charge, including cost of all labour etc., as per the specifications .( test reports as per is standard from recognised govt agency and the material sample approval should be taken from the office before supplying), supply of good quality un slaked lime directly from quarry not more than 15 days required for preparation of lime putty in traditional method on the process of slaking, from non-hydraulic lime silica and alumina in quantities of less than 15percentage in lime will be accepted, used for masonry mortars, lime concrete and plaster undercoat, minimum 1.25n mm square compressive strength for 7days, etc., including transportation charges, stacking in the required pattern for taking measurements as directed by the work in charge, including cost of all labour etc., as per the specifications, supply of good quality 20 mm brick bats obtained by crushing well-burnt clay bricks of class designation 7.5, hard, sound, and free from under-burnt particles, soluble salts, pyrites, dust, soil, and other deleterious matter, graded to pass through a 20 mm sieve and retained on a 10 mm sieve, suitable for use as coarse aggregate in lime mortar and lime concrete, including loading, transportation, unloading, stacking, all labour, and incidental charges complete as directed by the engineer-in-charge and as per specifications, supply of good quality jaggery, ingredient required for lime mortar including transportation, loading, unloading, stacking, labour etc., complete as per the specifications and directions of the work in charge, supply of good quality antuwalakai (soap nut and feronia additive as locally approved), clean, dry and free from impurities, suitable for preparation of traditional lime mortar to improve workability, durability and bonding properties in conservation works, as directed by the engineer-in-charge, supply of good quality kadukkai - mature, clean and free from foreign matter, suitable for use as a traditional additive in lime mortar for improving strength, durability and water resistance in conservation works, as approved by the engineer-in-charge, grinding machine hiring including fuel charges providing and hiring heavy-duty grinding machine in good working condition, complete with all accessories, suitable for grinding lime, surkhi and other approved materials required for conservation works, including fuel and operational requirements, providing and hiring portable grinding machine in good working condition, complete with necessary accessories, suitable for grinding small quantities of lime mortar ingredients and other approved materials for conservation works, including fuel and operational requirements., lime mixing machine hiring including fuel charges providing and hiring lime mixing machine of adequate capacity, diesel or electrically operated, in good working condition, suitable for uniform mixing of lime mortar for conservation works, complete with all necessary accessories including fuel wherever applicable, size stone 300mm x 300mm x 250mm, bond stone 350mm x 500mm x 250mm size supply of hard, sound and durable natural size stones and bond stones, obtained from approved quarries, free from cracks, weathered portions, laminations and other defects, accurately dressed to the specified dimensions with true beds and joints. the stones shall conform to the provisions of is 1597.size stones shall be used for wall face masonry and structural hearting, while the bond stones shall be provided as tie stones for effective transverse bonding, interlocking and strengthening of masonry in conservation works and the material should be supplied to 252 steps height which is near to the work spot, complete as approved by the engineer-in-charge, special size bricks 220mmx120mmx40mm- should be well brunt, good water absorption, and appearance, requiring uniform size, sharp edges, plane faces, and uniform colour, with minimum compressive strength and controlled water absorption (e.g., lesser than 20percentage), free from cracks, lime nodules, and excessive warping, guided by standards like is 1077, is 2691, and is 3952 the material should be supplied to 252 steps height which is near to the work spot, complete as approved by the engineer-in-charge, rubbles stone for backfilling 15cm x 22.5cm- supply of hard, sound and durable natural rubble stones of minimum size 150 mm x 225 mm, obtained from approved quarries, free from cracks, weathered portions and other defects, hammer dressed in accordance with is 1129 and conforming to is 1597 (part 1). the stones shall have a minimum thickness of 225 mm, be laid with the broadest face on the prepared bed to achieve proper interlocking, with joints tightly packed using stone spalls. the finished pitching shall be suitable for dry or grouted stone pitching in conservation works and slope protection, the material should be supplied to 252 steps height which is near to the work spot, complete as approved by the engineer-in-charge, modular common brunt clay bricks of class designation 7.5 - should be well brunt, good water absorption, and appearance, requiring uniform size, sharp edges, plane faces, and uniform colour, with minimum compressive strength and controlled water absorption (e.g., lesser than 20percentage), free from cracks, lime nodules, and excessive warping, guided by standards like is 1077, is 2691, and is 3952, cement mortar 1 into 4 where 1 part cement to 4 parts sand-ratio in which specify clean dry sand mention water as needed for workability also note its uses for example bricklaying blockwork and tile bedding and including material quality where opc cement type and standards like is codes in india ensuring consistency with measured proportions for strength., trowel sharp edge blades hardened and tempered highcarbon steei for durabitity staintess steei for rust resistance. handles smooth and seasoned hardwood or pvc. should be in accordance with lndian standards ls 1630 1984., trowel curve edge - blades hardened, tempered high-carbon steel for durability stainless steel for rust resistance. handles smooth, seasoned hardwood or pvc. should be in accordance with indian standards is 1630 (1984)., supply of wooden float of size 300 mm x 150 mm, manufactured from seasoned hardwood such as teak, pine, sheesham or equivalent, having a 10 to 15 mm thick smooth, flat base with slightly bevelled edges and fitted with an ergonomically designed top mounted wooden or high impact composite handle securely fixed with screws or resin bonding. the float shall be lightweight, durable and moisture-resistant, suitable for levelling, compacting and finishing lime mortar, plaster and concrete surfaces in conservation works, complete as approved by the engineer in charge, plastic buckets 25 liters - high-durability specifications to withstand rough handling, heavy loads, and exposure to construction materials like lime, mortar, and sand. made from high-density polyethylene (hdpe) or polypropylene (pp), offering impact resistance, chemical resistance, and uv protection for outdoor use. (the material sample approval should be taken from the office before supplying), aluminium screed 2inchx1inchx5feet supply of aluminium screed of size 2 inch x 1 inch x 5 feet, manufactured from high-strength extruded aluminium section, straight, lightweight, corrosion-resistant and free from bends or defects, suitable for levelling and finishing lime concrete and plaster surfaces in conservation works, complete as directed by the engineer-in-charge, aluminium screed 2inchx1inchx3feet supply of aluminium screed of size 2 inch x 1 inch x 3 feet, manufactured from high-strength extruded aluminium section, lightweight, straight, corrosion-resistant and free from bends or defects, suitable for levelling and finishing lime mortar and plaster surfaces in conservation works, complete as approved by the engineer-in-charge., curing pipe one inch 100 meter -supply of flexible pvc hose pipe of 25 mm (1 inch) diameter and 100 metres length, manufactured from premium quality pvc, weather-resistant, leak-proof and capable of withstanding normal working pressure, suitable for curing masonry, plaster and concrete works, complete with standard fittings wherever required, supply of industrial quality circular saw blade of 10inch diameter with 30 mm bore, manufactured from high-grade hardened and tempered alloy steel with 40 precision-ground teeth, heavy duty steel plate and optimized kerf width, provided with thermal expansion slots and friction-reducing coating for smooth, stable and reliable cutting with extended service life. the blade shall be easy to installation , suitable for cutting wood, plastics and non-ferrous metals, and compatible with professional cutting machines, complete as approved by the engineer in charge., rubber hand gloves set which should compliance with standards such as en 388 2016 for mechanical risk and ansi or isea 105 for cut resistance. the material sample approval should be taken from the office before supplying., cloth hand gloves set which should compliance with standards such as en 388 2016 for mechanical risk and ansi or isea 105 for cut resistance. the material sample approval should be taken from the office before supplying., gumboots should meet requirements such as water impermeability puncture resistance and slip resistant soles safety or protective footwear en iso 20345. it has a minimum impact resistance of 200 joules and compressive strength of at least 15 kn at the toe cap. the material sample approval should be taken from the office before supplying., safety helmet strong, rigid materials like high density polyethylene hdpe, abs, or polypropylene pp, dome shaped, without metallic parts, uv resistant. harness system suspension, impact absorption, penetration resistance, electrical insulation class g general, temperature resistance, standards and certifications is 2925the material sample approval should be taken from the office before supplying., safety goggles- should be impact-resistant polycarbonate lenses, uv protection, anti-fog scratch coatings, and a wraparound side-shield design for full coverage, fitting snugly and comfortably with ventilation, often meeting standards like ansi z87.1, ensuring protection from debris, dust, and radiation for construction environments. (the material sample approval should be taken from the office before supplying), supply of industrial quality multi purpose folding shovel manufactured from high strength metal, rugged, lightweight and corrosion-resistant, suitable for digging, chopping, scooping, hammering and scraping applications. the shovel shall be foldable for easy storage and portability, with an overall shovel length of approximately 23.25 inches 59 cm, saw length with handle of approximately 12.5 inches, integrated saw blade length of approximately 5.5 inches 14 cm, maximum weight of 525 g, and conforming to uiaa safety certification or equivalent, complete as approved by the engineer in charge, pvc round pan ghamela in which high grade virgin polyvinyl chloride or heavy duty polypropylene for high strength and flexibility. smooth interior surface crack and impact resistant, weather resistant for both indoor and outdoor use in which generally 5mm to 10mm thickness and shape is round open to top bowl and standard construction sizes usually 15 to 8 inches diameter and 10 kg to 20 kg load capacity. roughly 8 to 12 inches height. the material sample approval should be taken from the office before supplying., sieving mesh with wooden side frame with stand mechanism of size 2 feet x 5feet fabricated with ss304 ss316 stainless steel wire mesh of approved aperture and gauge securely fixed to a rigid hardwood frame teak neem or treated pine resistant to moisture decay and heavy usage. the unit shall be mounted on a sturdy wooden stand mechanism for convenient operation ensuring stability during sieving of sand surkhi lime and other construction materials used in conservation works. the mesh shall be corrosion resistant durable and free from defects complete as approved by the engineer in charge., plastic water storage pot supply of portable water storage pot manufactured from food-grade virgin high density polyethylene hdpe, polypropylene pp or pet plastic, free from bpa and harmful chemicals, suitable for safe storage of drinking and construction water. the pot shall be durable, leak-proof, uv resistant and provided with a tight fitting screw lid and leak proof plastic tap or dispensing arrangement, with integrated top handle or side grips for easy handling and transportation, complete as approved by the engineer in charge, water storage plastic drums 200l to 200 liters capacity, made of hdpe plastic, corrosion resistance, uv stability, and lightweight 8to10 kg empty removable lid with a metal or plastic locking ring clamp for easy filling, cleaning, and access. the material sample approval should be taken from the office before supplying, pvc water drum 2000 liters capacity of 2000 liter pvc water drum or tank typically feature like durable uv stabilized plastic cylindrical shapes varying thickness for strength and offering strong corrosion resistant storage for drinking industrial or agricultural water needs with options for multiple layers and specific fittings., supply of 2 hp single phase electric motor operating on 220to 240 v ac, 50 and 60 hz power supply, delivering 1.5 kw output with a rated speed of 1440 rpm 4pole or 2800 rpm 2pole and full-load current of 9.2 to 12 a. the motor shall be manufactured with 100 percentage copper windings, enclosed in a totally enclosed fan cooled tefc casing with ip55 protection against dust and water ingress, suitable for continuous operation in construction and conservation works, complete as approved by the engineer in charge., tarpaulin sheet 30 feet x 40 feet high-density polyethylene (hdpe) or multi-layered cross laminated (mlcl) materials, often with 120 gsm to 250 gsm (grams per square meter) thickness for durability, 100% waterproof and weatherproof and uv stabilized/protected (essential for long-term outdoor exposure)., disposable face mask supply of disposable 3ply non woven face mask comprising an outer hydrophobic spun bond non woven layer, a middle high density melt blown polypropylene filtration layer with bacterial filtration efficiency (bfe) of 95 to 99percentage, and an inner soft hydrophilic non woven layer for enhanced comfort. the mask shall be provided with high elastic soft ear loops and an integrated flexible plastic or aluminium nose clip to ensure a secure fit and minimize leakage, suitable for protection against dust and airborne particles during conservation and construction works, complete as approved by the engineer in charge., safety belt-- full-body harnesses (fbh) for fall arrest (dorsal d-ring), made from high-tenacity polyester and nylon webbing (min 44mm wide, 3mm thick) that withstands high tensile loads, featuring corrosion-resistant hardware, ergonomic padding, adjustable straps, and certifications like ce bis iso, ensuring comfort, proper fit, and critical fall-arrest force absorption for working at heights as per is 3521. (the material sample approval should be taken from the office before supplying), hammer 2kgs head with handle - head is hardened and tempered, typically ranging from hrc 48 to 58 for optimum toughness and to prevent shattering. square, double-faced, or hexagonal head with flat striking surfaces, handel made up of high-quality hardwood. two-colour carbon fiberglass shaft designed to absorb shock and reduce hand fatigue., chisel made up of high grade alloy steel, chrome vanadium crv steel or carbon steel for high durability. induction hardened tips around hrc 63 to 65. bevel edged, flat or pointed edge. the material sample approval should be taken from the office before supplying., sharping charges of chisel 5nos x 2times providing sharpening charges for 5 numbers of chisels, each sharpened twice, using mechanical grinding equipment to restore the cutting edge and maintain the required sharpness, profile and temper suitable for stone dressing, brick cutting and conservation works, complete as directed by the engineer-in-charge., gunny bags supply of good quality bt will woven jute gunny bags conforming to is 12650 into 2018 (standard btwill) or is 16186 2014 (lightweight sacking), having nominal dimensions of 94 cm x57 cm or 112 cm x 67.5 cm, fabricated from natural jute fibre with 3ply heracles stitched safety seams, durable and free from defects, suitable for storage and transportation of construction materials and for use in curing works during conservation works, complete as approved by the engineer in charge, aluminium wire 90m coil supply of pvc insulated aluminium wire in 90 metre coil of approved size 7 bar 20, manufactured with high-quality aluminium conductor and durable pvc insulation, providing safe, reliable and efficient current flow with good heat resistance. the wire shall be lightweight, flexible and easy to installation , suitable for domestic, commercial and light electrical wiring applications, complete as approved by the engineer-in-charge, switch box 4 module, switch and socket supply of 4 module modular switch box manufactured from fr grade polycarbonate for surface mounting or galvanized iron gi sheet for flush mounting, measuring approximately 135 mm x 75 mm to 150 mm x 90 mm, suitable for accommodating up to 4 modular units comprising switches and sockets. the switches shall have a current rating of 6a bar 10a or 16a 20a 25a as required, with a voltage rating of 240to 250v ac, 50 hz, and the socket shall be 6a or 16a shuttered type with child safety mechanism. the switch box shall be durable, corrosion resistant and suitable for indoor electrical installations, complete as approved by the engineer in charge., bulb led 18w supply of 18 w led bulb suitable for operation on 220 to 240 v ac, 50 hz power supply, having a minimum luminous flux of 1620 to 1908 lumens with an efficacy of 90 to 106 lumens and w. the bulb shall have a power factor of not less than 0.90, colour rendering index cri of 80 ra, surge protection of 2.5 to 4 kv, and an average service life of up to 25,000 hours, suitable for energy efficient indoor illumination, complete as approved by the engineer in charge., pointing trowel supply of professional quality pointing trowel with 150 mm 6 inch long and 75to80 mm wide blade, manufactured from high carbon steel or hardened mild steel with rust-resistant coating and blade thickness of approximately 1.0to1.2 mm. the trowel shall be fitted with a pvc or thermoplastic rubber tpr soft-grip handle of approximately 120to125 mm length, securely attached with a welded or riveted tang, lightweight and durable, suitable for accurate pointing, joint finishing and application of lime mortar in conservation works, complete as approved by the engineer in charge., wire brush supply of heavy-duty wire brush having an overall length of approximately 250 to 300 mm, provided with 3 or 4 rows of hardened carbon steel or iron wire bristles, securely stapled or embedded in a durable hardwood or moulded pvc handle. the brush shall be sturdy, corrosion resistant and suitable for manual cleaning of stone and brick masonry surfaces, removal of loose mortar, dirt, biological growth, rust stains and other surface deposits during conservation works, complete as approved by the engineer in charge., coir brush supply of 10 inch coir fibre handle brush fitted with 100 percentage naturally processed unbleached brown coir fibre bristles of 63 to 76 mm length, densely packed for effective scrubbing, securely fixed to a seasoned hardwood or country wood ergonomic handle. the brush shall be resistant to water, diluted acids and lime wash, biodegradable and free from plastic components, suitable for cleaning stone and brick masonry surfaces, removal of loose dust, lime deposits and surface contaminants during conservation and restoration works, complete as approved by the engineer in charge., transportation of materials providing transportation of approved construction materials from the source of supply to the work site by suitable vehicles, including safe loading, unloading, handling and stacking, ensuring the materials are protected from damage, contamination and moisture during transit, complete as directed by the engineer-in-charge., 50mm dia and 5mm thick hollow ms pipe supply of 50 mm diameter and 5 mm thick mild steel (ms) hollow pipe conforming to is 1161 or is 4923, manufactured from low carbon steel by the electric resistance welded (erw) process or seamless construction, having a minimum yield strength of 240 mpa and tensile strength of 410 mpa. the pipe shall be supplied in standard lengths, true to size, straight, free from dents, cracks and surface defects, with black or hot-dip galvanized finish as specified, suitable for fabrication of grills, railings, fencing, supports and other structural components in conservation works, complete as approved by the engineer-in-charge, 2 nos ms steel 15mm thick inter lock chainage supply of 2 numbers of mild steel ms interlocking chainage plates, manufactured from 15 mm thick ms plates conforming to is 2062 grade e250 a andb, precision cut by laser or cnc process and provided with accurately machined interlocking arrangement for secure and slip free coupling. the plates shall have a minimum yield strength of 250 mpa and tensile strength of 410 to 540 mpa, with high visibility engraved or punched chainage markings as per approved drawings, suitable for alignment, chainage marking and structural applications in conservation works, complete as approved by the engineer in charge, supply of synthetic enamel paint based on modified alkyd resin, having a high gloss finish minimum 85 percentage at 60 degree angle, with 40to 45percentage volume solids and suitable viscosity for brush, roller or spray application. the paint shall provide a dry film thickness of 20 to 35 microns per coat with a theoretical coverage of 10 to 15 m square per litre per coat, and shall be compatible with approved enamel thinners. it shall possess good adhesion, flexibility, resistance to moisture, water, oils, mild industrial fumes and intermittent salt spray and suitable in conservation works, complete as approved by the engineer in charge, carriage of rubbish item providing carriage of rubbish, debris, dismantled materials and other unserviceable waste generated during conservation works from the work site to an approved disposal location by suitable means of transport, including safe loading, unloading and disposal in accordance with local regulations, ensuring the monument premises are kept clean and free from obstructions, complete as directed by the engineer-in-charge.
