Replacement of damaged doors in PAC-IV Tirumala

Demolition including stacking of serviceable materials and disposal of unserviceable materials within 100 metres lead for RCC works.

Demolition including stacking of serviceable materials and disposal of unserviceable materials within 100 metres lead for Brick Masonary.

Demolishing and disposal of unserviceable materials within 100 metres lead Unreinforced cement concrete up to 15cm thickness

Demolishing and disposal of unserviceable materials within 100 metres lead Unreinforced cement concrete more than 15cm thickness

Dismantling, clearing away and carefully stacking materials useful for re-use, flat stones in roofs are floors including lifting

Filling of foundations and basement with best river sand in layers of not more than 15 cms. thick each well watered to saturation and consolidated including cost and conveyance of all materials, incidental charges etc., complete.

Conveyance of excavated surplus earth / debris to a distance 2 kms from the site of work to the place where specified by the Engineer-in-Charge including loading and unloading etc., complete as directed during execution.

Cement Concrete (1:2.5:5) -grade M15using 20 mm (0.54 cu.m) and 12 mm (0.36cu.m) nominal size hard broken granite crushed metal from any source conforming to the relevant ISI standards for foundations etc., laid in layers of not more than 15 cms thick well compacted including curing, ,machine mixing, cost and conveyance of all materials etc., complete.

Cement Concrete (1:4:8) using 40 mm ( 0..54 Cum), 20mm (0.27 Cum) and 12 mm (0.09 Cum)nominal size hard broken granite crushed metal from any source conforming to the relevent ISI standards for foundations etc., laid in layers of not more than 15 cms thick well compacted including curing,machine mixing, cost and conveyance of all materials etc., complete.

Providing High Yield Strength deformed bars below 36mm (HYSD)/ Thermo mechancially treated (TMT) steel bars of Fe 500/Fe 500D grade (as per IS 1786 - 1979) for RCC works, including labour charges for straightening, cutting, bending to required sizes and shapes, placing in position with cover blocks of approved materials and size and tying and lap splicing with binding wire of 18 SWG, forming grills for reinforcement work as per approved designs and drawings, including cost and conveyance of steel bars including all wastages such as over laps, couplings, chairs, spacer bars including cost and conveyance of binding wire, cover blocks and all incidental, operational, labour charges such as cutting, bending, placing in position, tying including sales and other taxes on all materials etc., complete for finished item of work in all floors. (APSS NO.126)

Supply of MS Angles, Channels, I Sections etc., complete. TATA,JINDAL,SAIL,VIZAG ETC., OF APPROVED MAKE .

Supply of MS tubes & pipes of all diameters as per IS 1161

Labour charges for fabricating steel works like Window Grills, Compound Wall Grills, Iron Doors, Windows including cost of welding rods, power charges, including cost of fixing in position.

Supply and fixing of stainless steel SS304 grade tubes, sections, plates , sheets and pipes of all sizes and diameters etc., including cost and conveyance of all materials and labour charges for fabrication of stainless steel railing works using SS welding rods including buffing , polishing , lacquer finishing , to present seamless finishing etc., complete as directed during execution

Construction of Brick Masonry in C.M (1:6) using well burnt Bricks 2nd class or ground moulded (Non- modular or traditional size) (230 x 110 x 70 mm) including curing, cost and conveyance of all materials as directed during execution and complying with standard specifications etc., complete.

Construction of 110 mm thick Brick partition walls in CM (1:4) using well burnt bricks 2nd class or ground moulded (Non modular or traditional size) bricks (230X110X70 mm) including curing, cost and conveyance of all materials etc,. complete,

Plastering in Cement mortar (1:3) 12 mm thick using best river sand from approved quarry including cost and conveyance of all materials, screening, curing, rounding of corners, incidental charges as directed during execution complying with standard specifications etc., complete.

Plastering in Cement mortar (1:5) 12 mm thick using best river sand from approved quary including cost and conveyance of all materials, screening, curing, rounding of corners, incidental charges as directed during execution complying with standard specifications etc., complete.

Plastering in Cement mortar (1:5) 20 mm thick using best river sand from approved quary including cost and conveyance of all materials, screening, curing, rounding of corners, incidental charges as directed during execution complying with standard specifications etc., complete

Flooring with cement concrete floor tiles of 25 mm thick of Chequerred cement concrete heavy duty tiles confirming to IS:13801 using aggregates, cement, pigments of size 300 X 300 mm of any shades set over base coat of cement mortar (1:6) 20mm thick over CC bed already laid or RCC roof slab, including neat cement slurry of honey like consistency spread @ 3.3 kgs per sqm & jointed with neat cement to full depth mixed with pigment of matching shade including cost & conveyance of all materials, etc., complete for finished item of work.

Finishing the sides of walls with Ist quality glazed wall tiles of glazed red or white full body ceramic wall tiles of size 300 x 600 mm and thickness between 6-8 mm 1st quality conforming to IS:13711, IS:13712, IS:13630 (Parts 1 to 15) of any colour and finish in all shades and designs of approved colour and brands including pointing the joints with the same colour of cement by mixing the same colour pigment in white cement and over a bed of C.M.(1:3), 12 mm thick & Cement slurry of 33 Kg /10 sq.m shall be used for fixing bed tiles including cost and conveyance of all materials, curing, incidental charges etc., complete (No separate plastering shall be paid to the walls).

Supply and fixing of 10mm wide PVC edge beading including cost and conveyance of all materials and incidental charges etc., complete.

Flooring with Antiskid floor tiles 1st quality of Non-skid red or white full body Ceramic floor tiles of size 300 x 300 mm and thickness between 7-8 mm 1st quality conforming to IS:13711, IS:13712, IS:13630 (Parts 1 to 15) of any colour and finish in all shades and designs (as per manufacture specification), set over base coat of cement mortar (1:6) 20 mm thick over CC bed already laid or RCC roof slab, including neat cement slurry of honey like consistency spread @ 3.30 kgs per sq.m. jointed with neat cement to full depth mixed with pigment of matching shade, including cost and conveyance of all materials like flooring slab, cement, sand and water etc., complete, for finished item of work.

Flooring with high polished granite 16 to 18 mm thick slabs up to 8'-00 (2.43 M) (Cheeta Brown) Regular Colours set over base coat of cement mortar (1:8) 20 mm thick over CC bed already laid or RCC roof slab, including neat cement slurry of honey like consistency spread @ 3.3 kgs per sqm & jointed neatly with white cement paste mixed with pigment of matching shade to full depth, including cost & conveyance of all materials, seigniorage charges, labour charges for dressing of tiles etc., complete for finished item of work.

Flooring with vitrified tiles of 1st quality of Double charged / multi charged stain free full body porcelain vitrified tiles with double layer pigment of size 600 x 600 mm and thickness between 8-10 mm 1st quality conforming to IS:13711, IS:13712, IS:13630 (Parts 1 to 15) of any colour and finish in all shades and designs set over base coat of cement mortar (1:6) 20 mm thick over CC bed already laid or RCC roof slab, including neat cement slurry of honey like consistency spread @ 3.3 kgs per sq.m & jointed neatly with white cement paste to full depth mixed with pigment of matching shade, including cost and conveyance of all materials, etc., complete - for finished item of work.

Providing Impervious coat to exposed RCC roof slab surface with CM(1:3), 20mm thick with 140 ml water proof liquid of approved make per 50 kg bag of cement, laid over roof when it is green including cost and conveyance of all materials and all operational, incidental and labour charges for mixing mortar, laying, rendering smooth and thread lining, curing, rounding off junctions of wall and slab etc., complete for finished item.

Supply and application of pressure grouting chemicals by using FOSROC chemicals (CE 86X100, Rendrock plug and NITO bond SBR) in neat cement slurry is carried out depending upon intensity of leakages in selected points.

Painting priming coat with ready mixed Red oxide metal primer paint for iron work including cost and conveyance of all materials including brushes to have smooth finish as directed during execution.

Painting priming coat with ready mixed Cement primer (water thinnable) for new plastered surface including cost and conveyance of all materials including brushes to have smooth finish as directed during execution.

cement primer for interior grade - 1 old work

cement primer for exterior grade - 2 old work

Painting with Ready mixed Synthetic Enamel paint in all shades Grade-I having VOC (Volatile Organic Compound) content less than 50 grams/liter approved colour and make including brushes to have an even shade including cost and conveyance of all materials as directed during execution complying with standard specifications etc., complete.

-do- Single coat for old Wood work

-do- Single coat for old Iron work / Old plastered surface

-do- Two coats for New Wood work / New plastered surface.

-do- Two coats for New Iron work

Painting with acrylic emulstion paint interior grade having VOC content less than 50grams/liter of approved brand and shade after thoroughly brushing the surface to remove all dirt and remainsof loose powdered materials, including cost and conveyance of all materials to work site and all operationsl, incidental, labour charges etc., complete for finished item of work as per SS 911 for internal walls.

-do- Single coat for Internal walls for old work

-do- Two coats for Internal walls for old work

-do- Two coats for Internal walls for new work

Painting to walls with Acrylic Exterior Emulsion paint of approved brand and shade after thoroughly brushing the surface to remove all dirt and remains of loose powdered materials, including cost and conveyance of all materials to work site and all opertional, incidental, labour charges etc., complete for finished item of work as per SS 911 for external walls.

-do- Single coat for External walls for old work

-do- Two coats for External walls for NEW work

Providing and applying wall putty of white cement or polymer or cement based or equivalent putty such as Birla wall care putty of average 1 to 2 mm thickness over plastered surface to prepare the surface even and smooth after thoroughly brushing the surface to remove all dirt and remains of loose powdered materials, applying emery paper, sand the surface, clean & wipe off loose dust, applying knifing paste filler by putty knife / muslin pad, air dry for 2-3 hrs. sand with 180 and 320 No., emery paper for the surface preparation inclduing cost and conveyance of all materials to work site and all operational, incidental, labour charges etc., complete for finished item of work for internal walls-For old work

Supplying and fixing of scaffolding to structure for various Civil repair works etc., including cost and conveyance of all materials such as Casurino Poles, Bamboos, country wood planks, nails and coir puri to provide working plot form along with ladder up to required level strongly. After completion of work scaffolding should be removed carefully as directed during the execution etc., complete. Note: The measurement for scaffolding shouldl be allowed for one face only.

Electrical items

Supply and Fixing of ISI Mark 25mm outer dia heavy grade (2.20mm thickness) with IS:9537 part -3 P.V.C. pipe with all accessories fixing on chromium plated metallic base saddles for surface wiring on Brick / stone walls, RCC roofings, Trusses, channels including all labour charges etc., complete. (If PVC Pipes are fixed on Trusses / Channels with MS Clamps, the rate for MS Clamps will be paid Separately) Makes: Sudhakar / Finolex / Polycab / Kumar / AKG / Indian-tubes / GM / Anchor / Nandi / Polyline / Gold Medal

Supply and run of 5 wire of 84/0.3mm (6.0 Sq mm) PVC insulated flexible FRLS copper cable as per IS:694 / 1990 specification in the existing PVC pipe / MS pipe /PVC Trunking for mains including all labour charges etc., complete. Grade-A: Makes: Finolex / RRKabel / Havells / Polycab / L&T / KEI

Supply and run of 3 wire of 36/0.3mm (2.5 Sq mm) PVC insulated flexible FRLS copper cable as per IS:694 / 1990 specification in the existing PVC pipe / MS pipe /PVC Trunking for mains including all labour charges etc., complete. Grade-A: Makes: Finolex / RRKabel / Havells / Polycab / L&T / KEI

Supply and run of 3 wire of 56/0.3mm (4.0 Sq mm) PVC insulated flexible FRLS copper cable as per IS:694 / 1990 specification in the existing PVC pipe / MS pipe /PVC Trunking for mains including all labour charges etc., complete. Grade-A: Makes: Finolex / RRKabel / Havells / Polycab / L&T / KEI

Supply and run of 3 wire of 14/0.3mm (1.0 Sq mm) PVC insulated flexible FRLS copper cable as per IS:694 / 1990 specification in the existing PVC pipe / MS pipe /PVC Trunking for mains including all labour charges etc., complete. Grade-A: Makes: Finolex/ RRKabel/ Havells/ Polycab/ L&T/KEI

Supply and wiring with 3 run of 14/0.3mm (1.0 sq.mm) PVC insulated FRLS flexible copper cable (ISI MARK) as per IS:694 / 1990 specification in existing PVC pipes / casing & caping with 3 plate pilot ceiling rose, 6 Amp 1 Way Module Modular switch to switch control box including all labour charges etc., complete for Light, bell, fan and Exhaust fan points in Non-Residential Buildings. Grade-A: Wire Makes: Finolex / RRKabel / Havells / Polycab / L&T / KEI Grade-A: Modular Switch Makes: Legrand Arteor / Schneider Zen cello / Gold Medal / GIFA / L&T englaze / Crabtree - Murano / Amare / Ducor / GM Four-Five

Supply and wiring with 3 run of 14 / 0.3mm (1.0Sqmm) PVC insulated FRLS flexible copper cable (ISI MARK) as per IS:694 / 1990 specification in existing PVC pipes / casing & caping without ceiling rose, 6 Amp 1 Way Module Modular switch to switch control box including all labour charges etc., complete for Light, bell, fan and Exhaust fan points in Non-Residential Buildings. Grade-A: Makes: Finolex / RRKabel / Havells / Polycab / L&T / KEI Grade-A: Modular Switch Makes: LegrandArteor / Schneider Zen cello / Goldmendal / GIFA / L&T englaze / Crabtree- Murano / Amare / Ducor / GM Four-Five

Supply and fixing of 8 WayTP & N Horizontal type Distribution board as per IS 8623; IS 13032; IEC 61439-3 with IP-43 protection (Metal door) firmly on the surface of the wall etc., complete. Grade-A: Make: Legrand (Ekinox 3) / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T-Newrang / Indoasian (Opti Pro)

Supply and fixing of 63 Amp FP Isolator as per IEC:60947 Part-III in the existing board and giving necessary connections. Grade-A: Makes: Legrand DX3 / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T- Newrang / Indoasian (Opti pro).

Supply and fixing of 40 to 63 Amp TP MCBs 10 KA breaking capacity 'C'/ 'D' Curve ISI Mark as per IS:60898-1:2002 in the existing board and giving necessary connections. Grade-A: Makes: Legrand DX3 / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T- Newrang / Indoasian (Opti pro).

Supply and fixing of 6 to 32 Amps range S.P MCBs 10 KA breaking capacity 'C'/ 'D' Curve ISI Mark as per IS:60898-1:2002 in the existing board and giving necessary connections. Grade-A: Makes: Legrand DX3 / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T- Newrang / Indoasian (Opti pro).

Supply and fixing of 6 /10 Amps 1 way 1 module Modular Switch on to the existing metal box (Switch Control Box) cover frame and giving necessary connections including all labour charges etc., complete. Grade-A: Makes: Legrand Arteor / Schneider Zen cello / Goldmedal (GIFA) / L&T englaze / Crabtree - Murano - Amare - Ducor / GM Four-Five

Supply and fixing of 6 /10 Amps 3 / 2 pin 2 module Modular Socket with shutter on to the existing metal box (Switch Control Box) cover frame and giving necessary connections including all labour charges etc., complete. Grade-A: Makes: Legrand Arteor / Schneider Zen cello / Goldmedal (GIFA) / L&T englaze / Crabtree - Murano - Amare - Ducor / GM Four-Five

Supply and fixing of 16 /20 Amps 1 Way 1 Module Modular Switch on to the existing metal box (Switch Control Box) cover frame and giving necessary connections including all labour charges etc., complete. Grade-A: Makes: Legrand Arteor / Schneider Zen cello / Goldmedal (GIFA) / L&T englaze / Crabtree - Murano - Amare - Ducor / GM Four-Five

Supply and fixing of 20 Amps 2 Module Modular Socket with Shutter on to the existing metal box (Switch Control Box) cover frame and giving necessary connections including all labour charges etc., complete. Grade-A: Makes: Legrand Arteor / Schneider Zen cello / Goldmedal (GIFA) / L&T englaze / Crabtree - Murano - Amare - Ducor / GM Four-Five

Supply and fixing of 100 W Fan Step Regulator of 2 Module on to the existing metal box (Switch Control Box) cover frame and giving necessary connections including all labour charges etc., complete. Grade-A: Makes: Legrand Arteor / Schneider Zen cello / Goldmedal (GIFA) / L&T englaze / Crabtree - Murano - Amare - Ducor / GM Four-Five

Supply and fixing of 6A, 3-Plate Pilot Ceiling Rose on the existing junction boxes, T.W Board etc., and giving necessary connections. Makes: Anchor / Gold medal (Olive) / GM (G Home) / Havells ( Reo)

Fixing of Ceiling fan including transportation and giving connections with twin core wire etc., complete.

Dismantling of Concealed T.W Switch boards of all sizes (Note: The dismantled TW boards are to be returned to the concerned section officer by the contractor at his cost)

Dismantling of existing fixture's such as 2' /4' tube light fitting / PL fitting with out causing any damage to the fittings etc., (Note: The dismantled above material are to be returned to concerned section officer by the contractor at his cost)

Dismantling of the existing Ceiling fan / Exhaust fans/ wall mounting fans completely with accessories with out causing any damage to the fixtures etc., (Note: the dismantled above materials are to be returned to concerned section officer by the contractor at his cost)

Dismantling of the existing LT switch gear open type such as DPIC/ TPIC switches / change over switch / DBs including isolators / MCBs with out causing any damage to the said materials. (Note: The dismantled above materials are to be returned to concerned section officer by the contractor at his cost)

Screen painting on the new existing tube light fittings, ceiling fans, Heaters, AC units etc. indicating TTDs area, location, No.. The size of the letter should be minimum 25 mm. The work will have to be done at site.

Fixing of given Tube light luminaire / PL fitting on wall / Ceiling / Trusses / Channels on PVC/ TW round blocks / Epoxy insulator / 3"x2"x1" TW reaper with all accessories, labour charges and giving necessary connections.

Supply and fixing of 4 Module Plastic surface box with Modular cover plate with frame on to the wall with all required accessories and all labour charges etc., complete Make: Legrand Arteor/ Legrand Mosaic/ North West/ M.K./GM/L&T. Modular cover plate make : Makes: Legrand (Myrius/Lyncus) / Schneider (Clipsal X/ Livia AB)/ Crabtree (Murano/Athena)/Lauritz Knudsen-englaze (formerly L&T))/ GM-(Four-Five)/ Goldmedal(GIFA)/North-West(Artisa)/Million (M-VEE)/Anchor Roma (PLUS)/Precision(Series 7)/Honeywell(Blenze pro)/Indoasian(Shynora)

Supply and fixing of 8 Module Plastic surface box with Modular cover plate with frame on to the wall with all required accessories and all labour charges etc., complete. Make: Legrand Arteor/ Legrand Mosaic/ North West/ M.K./GM/L&T. Modular cover plate Makes: Legrand (Myrius/Lyncus) / Schneider (Clipsal X/ Livia AB)/ Crabtree (Murano/Athena)/Lauritz Knudsen-englaze (formerly L&T))/ GM-(Four-Five)/ Goldmedal(GIFA)/North-West(Artisa)/Million (M-VEE)/Anchor Roma (PLUS)/Precision(Series 7)/Honeywell(Blenze pro)/Indoasian(Shynora)

Supply and fixing of 16 Module Horizontal / vertical plastic surface box with Modular cover plate with frame on to the all wall with all required accessories and all labour charges etc, complete Make : Legrand Arteor/ Legrand Mosaic/ North Wets/ M.K./GM/L&T. Modular cover plate Makes: Legrand (Myrius/Lyncus) / Schneider (Clipsal X/ Livia AB)/ Crabtree (Murano/Athena)/Lauritz Knudsen-englaze (formerly L&T))/ GM-(Four-Five)/ Goldmedal(GIFA)/North-West(Artisa)/Million (M-VEE)/Anchor Roma (PLUS)/Precision(Series 7)/Honeywell(Blenze pro)/Indoasian(Shynora)

Fixing of given (9" to 24") Exhaust fan on to the existing hole and giving necessary connections complete.

Fixing of given 25 Ltrs to 50 Ltrs Storage type water heater with 2 Nos. of Nylon / PVC / Metallic hose pipe etc., on wall with Anchor fasteners of size 12mm x 75mm pin type including connections etc., complete.

Supply and fixing of universal mounting metal plug board and socket suitable for D.P. RCCBs including labour charges for surface mounting. Grade-A: Makes: Legrand (ekinox3) / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T- Newrang / Indoasian (Opti pro).

Supply and fixing of RCCB Up to 40A Double Pole, 30mA for earth leakage protection, confirms to IEC:61008 and IS:12640-1 in the existing boards including internal connections and Labour charges etc., complete. Grade-A: Makes: Legrand DPX3 / Schneider-Acti9 / Hager - Novello+ / Seimens / Havells STADx / L&T- Newrang / Indoasian (Opti pro).

Supply and Fixing 19/20mm dia MS tubular fan down rod of one meter length with bolts & nuts duly painted with matching colour of fan complete

Supply and Fixing 19/20mm dia MS tubular fan down rod of Two meters length with bolts & nuts duly painted with matching colour of fan complete

Part-B (SUPPLY PORTION)

Supply of Linear LED Batten with a nominal system lumen output of 4000 lumens and a minimum system efficacy of 125 lm/W. System wattage should not exceed 35W. The luminaire shall have a rated system lifetime of 50,000 burning hours at L70. The luminaire should have a colour temperature of 6500K and CRI>80. Driver of the luminaire shall have THD < 10% and PF > 0.95. The luminaire housing should be made of CRCA with a PC glossy diffuser. The driver shall comply to IEC 60598, IEC 62384 , IEC 61347-2-13, IEC 61547, EMI- CISPR15 standards. Make: Philips /TTD Approved Brands.

Supply of 48" (1200mm) Sweep star rated Ceiling Fan, with double ball bearings, air delivery more than 200 cubic meter/min, but without Regulator. Makes: Crompton (HS Plus/HS) / Havells (ES PLUS/SS390ES) /Orient Energy Star/ Halonix(Zephyr) /Polycab(Zoomer-HS) / G.M.(G AIR) /Bajaj-Edge/Arcline (Glacier) /Million (Enerzio50) /Goldmedal(Legacy 390)

Supply of 100 Ltrs storage type water heater working with 230V 1 phase AC supply inner tank made with mild steel gas line coated and outer body made of polymer coated mild steel with 3 KW element & Thermal cutout, High density thick PUF insulation with following specification.

Technical Specification:

Tank Capacity: 100GV-100 Ltrs

Inner Tank: Mild Steel low carbon glass line coated with 1.8mm thickness

Outer Body: Polymer coated mild steel sheet with 0.4mm thickness

Heating Element: 3KW Ceramic Glass lined Catridge Element (2 Nos X 1.5 KW) / ISI mark tubular element of 3 KW

Pressure: 8 Bar

Insulation: 30mm thick of Injected PUF

Thermostat: Capillary Type

Thermal Cutout: Disc Type

Warranty: Inner Tank 5 Years, Heating Element - 2 Years, Product - 2 Years

Make: Venus / Racold/ TTD Approved brands.

Supply of 12" (300mm) ISI, 900 RPM Heavy duty exhaust fan with metallic blades with mark. Makes: Crompton / Almounard / Havells Ventil Air-DB

Supply and transportation of 120 Watt LED High Bay Luminaire with high power COB LED made of pressure diecast aluminum housing with powder coated, supply input voltage 120 - 270 V AC, P.F > 0.90, high power LEDs, having system efficacy >=120 lumens/watt and junction temperature < 70°C, with ingress protection IP66, IK05, Driver surge protection 4KV, in-house additional surge protection ≥ 5KV with wide/narrow beam optics, THD<10% at 110 Volts AC, driver efficiency >90%, , CCT: 3000K - 5700K, minimum CRI>70, etc., complete with earth connection and not less than two years warranty. a) LUMINAIRE MAKE : Wipro / Philips/ GE-Venture / Crompton/ Bajaj /Greenlites / Havells/Capart(Premium) /Halonix/Polycab/Keselec/ HPL/ Jaquar/Eveready / Surya (ORION-II)/ FortuneArrt (UFO-S) /Rhino(GPHB02 Series) / Ecolink (Megalux)/Bee-lite b) LED MAKE : PHILIPS LUMILEDS / CREE / NICHIA / OSRAM / SAMSUNG

Rupees One Crore Thirty Five Lakh(s) Fifty Seven Thousand Four Hundred Thirty And Paise Eighty One Only