Tender For submission of a rate schedule for machinery and equipment to prepare an estimate for installing rainwater harvesting systems in stormwater lines and low lying areas along main and internal roads within the municipal corporation limits. - item name, providing and constructing recharge pit of 2.0m deep and 1.0m dia of precast rcc rings with 6.5 dia. x 25m deep bore well at the floor of recharge pit including providing and supplying one complete ai-enabled single integrated modular smart groundwater recharge unit with recharge-volume measurement, real-time clog monitoring, recharge-water quality monitoring, soil quality / site suitability assessment, iot communication, ai dashboard and gis monitoring platform, suitable for urban rainwater and storm water groundwater recharge applications. the supplied unit shall be a single integrated smart recharge unit and shall not be a combination of disconnected or separately assembled devices. all field-level hardware, sensors, filtration arrangement, sedimentation section, recharge-volume measurement system, real-time clog monitoring system, recharge-water quality monitoring system, iot controller, communication module, qr/gis asset identification and data communication components shall be integrated within the supplied smart recharge unit and shall operate as one complete system. the ai dashboard, gis monitoring platform, cloud hosting, sim/data communication and software support shall be digitally integrated with the supplied unit for live monitoring, alerts, analytics and reporting. internal components shall not be treated as separate payable items. the main body / modular assembly of the unit shall be made primarily from hdpe/frp / upvc or equivalent corrosion free material and shall be suitable for long-term contact with rainwater / storm water, groundwater recharge applications and repeated cleaning. the unit shall be corrosion-resistant, water-resistant, durable and easy to maintain. the unit shall be modular, removable, reusable and serviceable. the design of the unit shall enable cleaning, sediment removal, filter inspection, filter-media replacement, sensor inspection and refitting without damaging the surrounding civil structure, chamber or recharge arrangement. the unit shall have a minimum external diameter of 750 mm and minimum overall height of 2000 mm with frp cover of suitable size having 40 mt capacity. the unit shall have sufficient internal space for filtration arrangement, sediment holding, recharge-volume measurement, real-time clog monitoring, water-quality monitoring, iot components, sensor housing, cleaning access and maintenance. the unit shall include multistage filtration, debris arrest arrangement, first-flush / bypass provision, sedimentation and silt-management section, recharge-volume measurement system, recharge-rate monitoring, real-time clog monitoring, recharge-water quality monitoring after filtration and before recharge, soil quality / site suitability assessment module, iot-based data communication, qr, gis asset identification, ai-enabled web dashboard, gis monitoring platform. the unit shall be capable of measuring, recording and reporting actual recharge volume, recharge-rate trend, sedimentation status, clogging condition, recharge-water quality parameters, soil / site suitability parameters, unit health, sensor health, battery status, communication status and maintenance status on a web-based dashboard. the item shall be treated as one complete integrated smart unit. internal components such as hdpe/ frp modular body, filtration arrangement, sedimentation section, measurement systems, sensors, iot controller, communication module, ai dashboard, gis platform, cloud hosting and sim/data support shall not be measured or paid separately. the unit shall have authentication from any govt. institute like c.o.e.p./cw&prs/gsda etc. the unit shall be supplied with five years warranty against manufacturing defects, material defects and functional failur
Tender For providing of custom bid for services - groundwater remediation, dewatering, treatment, recharge, rainwater harvesting and groundwater quality monitoring activities in manglia-dabli area
Tender For construction of rain water harvesting systems at variouslocations under umargam nagarpalika for groundwater recharge andsustainable water management
Tender For corrigendum : estimate for construction of 18 nos check dams in kingrawala choe,mehngrowal choe, wadala drain, nazampur drain and sultanpur drain for groundwater recharge in the jurisdiction of jalandhar drainage cum mining and geology for groundwater recharge i
Tender For estimate for creek excavation, channel improvement and water conservation measures on krishnawati river from village ratta kalan to village manpura comprising construction of hump regulators for flow regulation and groundwater recharge.
Tender For unit rate of composite items for recharge scheme for new and defunct tube wells/wells for groundwater recharge in bhavnagar dist. for the year 2026-27 - half brick masonry in common brunt clay building bricks having crushing strength not less than 35 kg/sq.cm. in cement mortar 1:4 (1- cement : 4 -coarse sand ) in foundation and plinth (b) conventional(r&b sor 2024-25 , it.code-06008a2a, p.no.70)(1 represents labour cess added), brick work using common burnt clay building bricks having crushing strength not less than 35 kg./sq.cm. in foundation and plinth in cement mortar 1:5. (1- cement : 5 -fine sand) (b) conventional(r&b sor 2024-25, it.code-06001ba, p.no.67)(1 represents labour cess added), providing, laying and jointing in true line and level 110 diametre u.p.v.c (type b) conforming to is 13592-1992 with one end plain and other end socketed with rubber ring, & fittings conforming to isi 14735-1999 of approved make for drainage system pipe line, pipe shall be jointed with each other with rubber lubricant, pipe shall be fixed on wall using of pvc clamp of the size 110 mm diametre x 149 mm length x 145 mm heigh at every 2000 mm center to center or shall be concealed in walls as directed including necessary fittings such as bends, shoes etc. including testing of pipes and joints and jointed with adhesive solvent cement including cost of all materials.(r&b sor 2024-25 it.no.23067, pg.no.164)(1 represents labour cess added), providing & fixing 200 mm dia "u" pvc casing pipe "cm" type pipe.( gwssb sor mech 2022-23 section-b, page. 21, item no. 11-b ), providing & fixing 175 mm dia "u" pvc casing pipe "cs" type pipe.( gwssb sor mech 2022-23 section-b, page. 21, item no. 11-b ), drilling of bore well by dth rig in rocky formation in all talukas of all districts of zone - iii. up to 350 mtr. for dia 200mm(gwssb 2022-23 sor, it.no.3.2, p.no.2), excavation for foundation upto 1.5 m depth including sorting out and stacking of useful materialsand disposingofftheexcavatedstuffupto50 meter lead.(b) dense or hard soil(r&b sor 2024-25 , it.code-04b001b, p.no.47)(1 represents labour cess added), excavation for foundation upto 1.5 m depth including sorting out and stacking of useful materialsand disposingofftheexcavatedstuffupto50 meter lead.(d) soft rock not requiring blasting(r&b sor 2024-25 , it.code-04b001d, p.no.47) (1 represents labour cess added), jungle cutting and site clearing(r&b sor 2024-25 , it.code-26117a, p.no.246) (1represents labour cess added), pebbles of size 5 to 10 millimeter (river pebbles)(gwssb mech 2022-23 sor,anne-a sr 18 ), gravel of size 2 to 5 millimeter(gwssb mech 2022-23 sor,anne-a sr 18 ), coarse sand(gwssb 2022-23 sor, section 1d it.no.5.1, p.no.61), backfilling of excavated tranch for pipeline with soil(gwssb 2022-23 sor, section 1&2b it.no.14(1), p.no.40), suppliying o graded stone aggregate of following sizes (forw.b.m. road)(2) hand broken stoneaggregate 40 mm to 63 mm size.(r&b sor 2024-25 , it.code-26011b, p.no.176), supplying of crushed stone aggregates, chippings etc.of hard stone of following nominal size free of disintegrated pieces deletarious and oraganic mater and grading asper i.r.c. code.(iv) 20mm(r&b sor 2024-25 , it.code-26012d, p.no.176) (1 represents labour cess added), supplying of crushed stone aggregates, chippings etc.of hard stone of following nominal size free of disintegrated pieces deletarious and oraganic mater and grading asper i.r.c. code.(vi) 10mm(r&b sor 2024-25 , it.code-26012f, p.no.176) (1represents labour cess added), spreading and laying stone agreegate of different size in to proper layer specified as per design and drawing inncl. hand packing etc complete with all lead and lift (as per ra), providing and fixing in position white marble plate of size 45x45x1.8 cm incl ingraving the tettera as per drawing/as direct etc complete. (irr. sor 2024-25 ch.5 it.17 pg.22)
Tender For implementation of artificial recharge scheme at 5 sites (scv hss kottanad, nm high school kariamplavu, mtlps atyal, govt. lps chalappally, govt. lps perumpetty) in kottanad gp, pathanamthitta district under groundwater conservation and recharge schem
Tender For corrigendum : unit rates of composite items for recharge scheme for defunct private tube wells/wells for groundwater recharge in mehsana district.(third attempt)
Tender For corrigendum : constn of hybrid urban storm water management infrastructure for the management of urban flooding and groundwater recharge by using eco bloc infiltration tanks with the storage capacity of 250 cum at cms sundaram of gcc school pg in dn99 zone8
Tender For corrigendum : constn of hybrid urban storm water management infrastructure for the management of urban flooding and groundwater recharge by using eco bloc infiltration tanks with the storage capacity of 250cum at cps mkb nagar of gcc school pg in dn37z04