RENOVATION OF WAREHOUSE AT NAVAL OFFICER INSTITUTE, SPECIAL REPAIR OF WIRE MESH FENCING AT BLO, PROVISION OF FALSE CEILING MOUNTED FANS AT KALYANI, PROVISION OF DUMP YARD WITH HARD STANDING AND WITH PROVISION OF WASTE BINS FOR DRY, WET

Amount

Surface excavation n. exc 30 cm deep and averaging 21 cm deep and getting out in hard/dense soil complete all as specified and directed.

Removing excavated material exc. 1.50 km but n exc. 5 km and depositing where directed complete all as specified and directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm as in hard/dense soil complete all as specified and directed.

M & L for hardcore of gauge n.exc 63 mm of broken stone or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M & L for Sand filling under floors or in foundations including spreading, levelling, watering and consolidation complete all as specified and directed.

M & L for plain cement concrete (1:2:4), type B1 (using 20mm graded stone aggregate) as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including necessary formwork complete all as specified and as directed.

M & L for 100 mm thick, plain cement concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) as in hard standing etc, finishing cement concrete surface even and smooth without using extra cement complete all as specified and directed.

M & L for Machine pressed precast conctete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35Grade with grey cement and pigment complete all as specified and directed.

Excavation in trenches, not exceeding 1.5 M wide and not exceeding 1.5 M depth for foundation, trenches for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10sq m on plan and n exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

M & L for Plain cement concrete 1:3:6, type C-2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concrete, etc complete all as specified and directed.

M & L for Brick work with fly ash brick, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6 using old size brick complete all as specified and directed.

M & L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 and finished the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for preparing newly plastered surfaces of walls, etc and applying three coats of white wash complete all as specified and directed.

Excavating in post holes (or similar holes) each n. exc 0.5 Cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers n. exc 25cm, watering and removing surplus soil to a distance n. exc 50m and making good surface in soft/loose soil complete all as specified and directed.

S & F MS steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I.S. 1161-1979 grade St-240 complete all as speicfied and directed.

S & F rolled mild plates (plain or chequered) channels, square cut or notched, forming holes with riveted, bolted or welded attachment conforming to Fe 410W Gr E-250, quality-A complete all as specified and directed.

S & F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, dia of neck 16-20mm , length of bolt exc 15cm and n exc 22.5cm long complete all as specified and directed.

M & L for Mild Steel Hand rails, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts posts and struts in fencing (fencing post) including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 ® complete all as specified and directed.

S & F Pre-Painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as per manufacturer's instruction complete all as specified and directed.

Supply and fixing pre-painted galvatume aluminium zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, ridges , valley gutter etc fixed with self tapping screws complete all as specified and directed.

M & L for Preparation of new steel surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide, zine chrome primer complete all as specified and directed.

Disamntling post or struts (Wood,steel, RCC) any section, including taking out embedded portion in concrete and making good disturbed ground including cleaning and cutting of grass, shrubs, bushes, etc complete all as specified and directed.

Dismantling fencing wire mesh, any type complete complete all as specified and directed.

M & L for Plain cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concrete, etc complete all as specified and directed.

Supply only chain link fencing made out of 3.10 mm dia galvanised iron wire, made up into mattress or cages of any size, straining and fixing to post complete all as specified and as directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and directed

M & L for mild steel round bar 10mm dia and over cut into length, bend to shape required including cranking bending spirally for hoping as in tie bar for fixing chain link fencing complete all as specified and directed.

S & F Mild steel screw bolts of 05 to 10 mm dia of neck (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long complete all as specified and directed.

Material and labour for preparation of new surfaces of steel or iron surfaces of any description, n.exc 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Demolition of brick work or stone / boulder masonry, built in cement mortar including all quoins, pillars etc stacking the serviceable bricks after removing mortar and cleaning for re-use and disposal of debris and rubbish outside MD land as directed by the Engr-in-Charge.

M & L for Plain cement concrete 1:4:8, type D-2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concrete, etc complete all as specified and directed.

M & L for use & waste Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundations and plinth beams and similar work, vertical or to batter complete all as specified and directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises.

M & L for glazed, coloured, ceramic, tiles of size (350mm x 250 mm/450mm x 350mm/300mmx450mm) x 6 to 7 mm thick, on vertical surfaces such as skirting, dados etc and by providing 3 mm spacers filled with epoxy grout by using masking tape, including 10 mm thick bedding in cement mortor 1:4 and set & jointed in neat cement slurry & pointed in white or coloured cement to match with the shade of tiles complete all as specified and directed.

M & L for non-skid, ceramic, coloured tiles 7 to 8 mm thick (square/rectangular) polished, light shade, area of each tile exc 0.11 sqm but n.exc 0.18 sqm, in floors etc and by providing 3 mm spacers filled with epoxy grout by using masking tape, including 15 mm thick screed bed in cement mortor 1:6 and set & jointed in neat cement slurry and pointed in white or coloured cement to match with the shade of tiles complete all as specified and directed.

M&L for non-skid ceramic coloured tiles 7 to 8 mm thick (Square/ Rectangular) polished, light shade, area of each tile Exc 0.11 Sqm but not exceeding 0.18 Sqm, in skirting, dados etc.,including 10 mm thick bedding in cement mortor 1:4 and set & jointed in neat cement slurry & pointed in white or coloured cement to match with the shade of tiles complete all as specified and directed.

Dismantling of stone slabs & tiles of any description or thickness laid, bedded and pointed in cement mortar, in floors, aprons etc., complete all as specified and directed.

M&L for 25 mm thick PCC 1:2:4 type B0 (Using 12.5 mm graded stone aggregate) in sub base of floorings complete all as specified and directed.

M & L for 75 mm thick, plain cement concrete 1:3:6, type C-1 (using 20mm graded stone aggregate) as in plinth protection etc, finishing cement concrete surface even and smooth without using extra cement including making joints with bitumastic filing in proportion of bitumen and sand 1:2 complete all as specified and directed.

M&L for 75 mm thick Cement concrete 1:3:6, type C-2, (using 40 mm graded stone aggregate) as in sub base of floor and finishing the surface even and fair without using extra cement complete all as specified and directed.

Demolition of un-reinforced cement concrete in ground floors and pavings not exceeding 15 cm thickness, (Below or above ground level) complete all as specified.

M&L for preparation of old decorated surface by complete removal of existing treatment, washing, rubbing, stopping etc and applying two coats of oil bound distemper over a coat of alkali resistant primer including applying one or more coat of wall care putty to a smooth surface including making good any undulations on the surfaces complete all as specified and as directed. Note :- Painting work shall be carried out acoording to Smart Painting procedure mentioned in PS

M&L for preparation of old decorated surface by complete removal of existing treatment, washing, rubbing, stopping etc and applying two coats of cement base paint over a coat of primer including applying one or more coat of wall care putty to a smooth surface including making good any undulations on the surfaces complete all as specified and as directed. Note :- Painting work shall be carried out acoording to Smart Painting procedure mentioned in PS

Taking down Chowkats or frames with shutters exceeding 1.5 Sq. M each n exc 4 sqm (Without taking off shutters from the frames) complete all as specified and directed.

Taking down Chowkats or frames with shutters not exceeding 1.5 Sq.m each (Without taking off shutters from the frames) complete all as specified and directed.

Taking down shutters exc 1 sq. m and n exc 2 sq. m each complete all as specified and directed.

S & F Powder coated (minimum 50 micron) Anodised aluminium frame for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified and directed. Note: Thickness of aluminium section shall not be less than 1.5 mm

S & F Powder coated (minimum 50 micron) Anodised aluminium window and ventilator shutters, sliding type without sash bar, aluminium section weighing 0.55 kg/m including necessary joining cleats, glazing clips, rubber packing, anodised aluminium snap beading, screws etc. and anodised aluminium fittings such as peg stay 150mm long (01 No), hinge type B-21, 100mm long (02 Nos) and suitable size of handle complete all as specified and directed.

Providing and fixing Powder coated Anodised aluminium grill (anodised transparent or dyed to required shade according to IS: 1868 with minimum anodic coating of grade AC 15) of approved design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/ stainless steel screws @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening, all complete as per requirement and direction of Engineerin-charge complete all as specified and directed.

S & F mild steel Bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; support for stiffening of fencing ,hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and as directed.

Demolition of reinforced cement concrete in any position not otherwise specifically provided for, separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 M and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 M as directed.

M&L for reinforced Cement Concrete 1:2:4 Type B-1 using 20 mm graded stone aggregate as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs , water troughs and the like including weathering, slightly rounded or chamfered angles and necessary form work complete all as specified and directed.

S&F for Mild steel TMT bars 6 mm to 8 mm dia., cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips complete all as specified and directed.

Taking down cement plaster on brick or stone walls, etc., including raking out joints, hacking for key, scrubbing down with water, etc., including removal of rubbish off the premises, where directed and leaving the work clear complete all as specified and directed.

M&L for 15 mm thickrendering on fair faces of brick work or concrete surfaces in cement mortar 1:4 and finished even and fair without using extra cement by mixing WPC (WPC shall be paid under saparate item) complete all as specified and directed.

Supply only integral water proofing compound [ISI marked] of approved make complete all as specified and directed..

M & L for rendering 10 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 and finished the surfaces even and fair without using extra cement complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed.

S & F in repair, Towel Ring of PTMT fixed with and including Chromium plated brass screws and wooden/plastic cleats (Minimum weight 90gms) complete all as specified and directed.

S&F in repair 15 mm bore fancy type pillar taps, long swan neck type with quarter turn, Cast Copper alloy, with capstan heads, chromium plated, screwed down high pressure with or without lettered Hot or Cold with long screwed shanks and fly nuts, screwed for iron pipe and fixed complete all as specified and as directed.

S & F in repair 15 mm bore, angular stop valve, cast copper alloy, chromium plated, fancy type with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

S & F in repair, 15 mm bore, bib taps, cast copper alloy, chromium plated with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

S & F in repair Wash Hand Basin, Vitreous China (flat back or angle back type)/oval shape any size, including cutting for and pinning in ends of brackets or erecting stand of size 550 X 400 complete all as per manufacturer's instructions and as required at site.

S&F in repair PVC waste pipe of bore 32 mm and 800mm long to WHB all as specified complete all as specified and directed.

S & F in repair PVC connections 15mm size with PTMT nuts of length 600mm complete all as specified and directed.

S&F in repair PVC (SWR) Floor trap of 75 mm dia., outlet with grating including jointing with solvent cement complete all as specified and directed.

S & F in repair 75 mm bore, PVC (SWR) multi floor trap with grating including jointing with solvent cement fixed in cement concrete type B-1 (1:2:4) complete all as specified and directed.

SSupply, laying, connection and testing, in repairs 20mm outer dia 3- layer PP-R Polypropylene random copo-lymer) concealed pipes SDR 7.4 & PN16 stablised and antimi-crobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceiling or in floors etc including taking out old pipe complete all as specified and directed

S & F in repairs, 20 mm bore, gun metal Gate valves, with iron wheel head, Class-I, Pressure Tested of 1.5 Mpa, screwed both ends for iron pipe complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as directed.

S&F PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenchs or in floor 110mm bore complete all as specified and directed.

S&F PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors 75mm bore complete all as specified and directed.

S&F PVC (SWR) bends any radius 110mm bore complete all as specified and directed.

S&F PVC (SWR) bends any radius with access doors 110mm bore complete all as specified and directed.

S&F PVC (SWR) bends any radius 75mm bore complete all as specified and directed.

S & F 75 mm bore PVC (SWR) junction single (Single `T') equal or unequal cement complete all as specified and directed.

M & L for PVC (SWR) gully trap of 125/110 mm dia., outlet with grating including jointing with solvent cement complete all as specified and directed.

M & L for Pre-cast cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregate) as in block masonry with solid blocks, exc. 10 cm in width and set in cement Mortar 1:6 complete all as specified and directed by Engr-in-Charge.

M&L Brick work with fly ash bricks, bricks, straight or curved on plan to any radius in half brick thick walls, built in cement mortar 1:4 complete all as specified and directed by Engr-in-Charge.

Dismantling asbestos cement(corrugated, semicorrugated ,etc.)sheet in roof covering complete all as directed by Engr-in-Charge.

Dismantling timber framed scantling 40 sqcm and over in section, in any position complete all as directed by Engr-in-Charge.

M & L for framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel') complete all as specified and directed.

S & F mild steel Framed work as in doors or gates of angle or other section with gusset plates, rails,braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete conforming to Fe-450 Gde-E-250 Quality -A complete all as specified and directed.

S&F sinks with drainage board made of stainless steel 1.00 mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size 915mm x 460mm bowl size 410mm x 330mm x 160mm including 50 mm Waste fittings, brass, chromium plated for glazed ware sinks, basins, etc. with long screwed shanks and fly-nuts, flange end bedded in red lead cement and other end fixed complete all as specified and directed

S & F 4.0 mm thick sheet glass, ordinary quality and glazing with oil putty/ aluminium/ wooden beading in square exc 0.5 sq. m in each pane complete all as specified and directed.

S & F stainless steel wire cloth 0.36 mm nominal dia of wire and average width of aperture 1.40 mm and fixed with stainless steel wire staples complete all as specified and directed.

M&L for marble work 18 to 20mm thick (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with marble shade complete all as specified and directed.

M&L for preparation of new plastered surface of wall by applying two coats of oil bound distemper over a coat of alkali resistant primer including applying one or more coat of wall care putty to a smooth surface including making good any undulations on the surfaces complete all as specified and as directed. Note :- Painting work shall be carried out acoording to Smart Painting procedure mentioned in PS

M & L for conceled Point wiring with two runs of single core 1.5 Sq.mm. (Nominal area) PVC insulated unsheathed multistranded copper conductor cable FRLSH (ISI marked) drawn through and including non metallic PVC conduit 20 mm bore (Minimum) medium grade (ISI marked) concealed type including metal GI boxes of suitable module including modular white cover plate of suitable module for fixing modular type switches, sockets, regulators etc. including provision of multistranded 1.5 Sq.mm copper conductor cable FRLSH [ISI marked] as earth wire connected to common earth dolly and earth in distribution board complete all as specified and as directed, for one light/exhaust fan/fan point/call bell controlled by one way switch. (Note.: (i) The rate quoted is deemed to include making good the disturbed sufaces and to match the adjoining surface. (ii) The quoted rate is deemed to include cutting chases for concealed wiring including making good the same as per the existing one)

S & F switch modular single pole one way 6 amp 240 volts,1 Module complete all as specified and as directed.

Supply, fix, installation and commissioning BLDC ceiling fan of less noise, silent operation, light colour, conforming to IS-374-2019, 1200 mm sweep, 230 Volts, BEE 5 Star rating including all accessories such as down rod etc and connecting up with 1.5 Sqmm, PVC insulated, multistranded copper conductor cables from ceiling rose to fan complete all as specified and directed. (Note: Ceiling fan should have minimum 3 years manufacturer's warranty) Make : USHA/Havell's/Bajaj/CG

S & F steped type modular fan regulator ,100/120 W, 2 module complete all as specified and as directed.

S & F ceiling rose, 65 X 50mm two to three terminals, PVC/polycarbonate, insolated body complete all as specified and directed.

M & L for Sub main wiring with 2 runs of Single core 1.5 sqmm [ for Phase & Neutral ] PVC insulated, unseathed, multi stranded FRLSH (ISI marked) copper cable drawn through and including surface PVC conduit of suitable size with all conduit accesories and fittings along with 1 run of single core 1.5 sqmm PVC insulated ,unseathed multi stranded FRLSH (ISI marked) copper cable as earth continuity conductor complete all as specified and as directed. (Note :- Two runs of 1.5 sqmm and one runs of 1.5 sqmm cable as earth wire and one run of conduit shall be measured as one length)

M & L for Sub main wiring with 2 runs of Single core 2.5 sqmm [ for Phase & Neutral ] PVC insulated, unseathed, multi stranded FRLSH (ISI marked) copper cable drawn through and including surface PVC conduit of suitable size with all conduit accesories and fittings along with 1 run of single core 2.5 sqmm PVC insulated ,unseathed multi stranded FRLSH (ISI marked) copper cable as earth continuity conductor complete all as specified and as directed. (Note :- Two runs of 2.5 sqmm and one runs of 2.5 sqmm cable as earth wire and one run of conduit shall be measured as one length)

S & F Distribution Board, SPN 8 Way, 240V, Double door with IP 43 protection IK 09 complete all as specified and as directed. Make: Havell's cat part No. DHDPSHODRW08 or equivalent make as per List of Manufacturer's mentioned in PS

Supply, fixing, commissioning and testing MCB SP 6 to 32 Amps, 240 Volts, 10KA, C Curve, complete all as specified and as directed Make: Havell's cat part No. DHMGCSPF006-032 or equivalent make as per List of Manufacturer's mentioned in PS

Supply, fixing, commissioning and testing MCB SPN 40 Amps, 240 Volts, 10KA, C Curve, complete all as specified and as directed Make: Havell's cat part No.DHMGCSNF040 or equivalent make as per List of Manufacturer's mentioned in PS

S & F Exhaust fan, 300 mm sweep, heavy duty, metal body 1400 RPM, AC, single phase, complete with all accessories and louver and electric connection including making necessary holes in walls complete all as specified and directed Make : Havells, Model : Ventil Air DS or equivelant of make r equivalent make as per List of Manufacturer's mentioned in PS

S&F movement detector 360° surface mounted with normally open contact ,230V,50Hz, passive infrared detection method, detection distance 6.00 m with clam nut screw etc and connection with 2.5 sqmm copper conductor cable complete all as specified and directed. Make :- Hager cat no EE804 A or equivalent model of make ABB, C&S, Schnider

S&F industrial LED batten light fitting 1x40 watt ,220V, including connecting up with two core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed Make: Havell's cat part No. STOUTPLUS1200BS40WLED840SPCWH or equivalent make as per List of Manufacturer's mentioned in PS

S&F cassette type ceiling fan 400 mm size with four corner LED light , , white ABS plastic body , Plastic blade length shall be minimum 17 cm, 30 watt ,230 volt ,speed 1750 rpm ,Air delivery-75 cmm alongwith remote control complete all as specified and directed Make : Make as approved shall be of ISI marked and in case there is no BIS certification system/ Indian standard for the product, these shall be certified by accredited (NABL) laboratories to confirm to other standard of repute ,like British / European /American Standards (ii) Product shall have minimum 02 years manufacturer warranenty. (iii) Contractor shall submit 02 year written guarantee againt any manufacturing defect.

SRI SRK ENGINEERS

M B CONSTRUCTIONS

N Sydeswara Rao

P SRINIVASA RAO

SRI RAJA RAJESWARI ENTERPRISES

SRI SAI MANIKANTA ENTERPRISES

SRI LAKSHMI GANAPATHI CONSTRUCTIONS

K & K CONSTRUCTIONS