SPECIAL REPAIRS TO OFFICERS MESS AT AFA HYDERABAD

S&F decorative wall mounting brushed nickel/gold antique finish fixture with opal glass diffuser suitable for lamps with E27 with all accessories internally prewired and including connecting up complete all as specified and as directed with & including 02 x 40 W (Warm White) E27 LED lamps. Make: Whiteray, Model - 1107 Double or techno-commercially equivalent incl taking down old unsv one complete all as specified and as directed.

Stripping out existing tarfelt from roof including plaster and removing the waste material complete all as specified and as directed.

B/R PORTION : Demolition of cement concrete or surkhi filling of any description and in any position not otherwise specifically provided for Roof treatment/chajja and in sunken treatment etc complete all as specified and as directed.

M&L Cement concrete type B-1 1:2:4 (20mm graded aggregate) in roof and chajja padding concerte of average 50 mm thick and above with liquid water proofing compound as per manufacturers instructions etc complete all as specified and as directed. Note: WPC will be measured & paid separately under relevant Item.

Cleaning the roof surfaces and applying oil bound bitumen primer @0.20 Kg per Sqm providing and laying 4mm thick APP modified water proofing membrane weight not less than 4 Kg per Sqm reinforced with non woven polyster mat weight not less 160 gm per Sqm having softening point not less than 140 Degree centgrade, lengitudinal tensile strength not less than 800N per 5 cm teasing strenght of 180N with minimum of 10 cm side laps and 15 cm end laps by application of torch. Applying a coat of blown grade hot bitumen over the membrane @ 1.20 kg/sqm as per manufacturer instructions complete all as specified and as directed.

Providing and carry out expansion joint treatment after proper surface preparation to remove loose mortars, dust, foreign particles from joints, fixing of tightly packed closed cell polyethylene based back up rod or filler board to ensure no gaps or voids exists, mask face edge of the joint using masking tape for neat finish, application of polyurethane or polysulphide sealant (width to depth : 2:1 ratio) and allow it cure for 2 days. Mixing of Two part Epoxy Adhesive using slow speed drill till get homogeneous mix, apply it to prepared joint 1-2mm thick with notched trowel or putty blade, tooled to a smooth finish and finally fixing of Flexible expansion joint (FPO Tape) membrane Dr. Fixit Seal Tape/ Hydrogapshield available in 1mm thickness and 150 mm wide exhibiting superior mechanical properties like, Elongation >500%, Tensile Strength >12N/mm2, Tear Strength >200N above joint followed by another layer of epoxy adhesives as complete as per manufacturer’s specification. Epoxy adhesive shall be applied on outer edges of tape. For joint over end laps, the overlaps surfaces must be clean, wiped and lapped with 100 mm overlap. After application the system should be allowed to cure for 7 days complete all as specified and as directed.

M&L for applying one coat of solar reflective bituminous Aluminium paint over a surface of APP water proofing membrane @ 0.1 Kg/Sqm etc complete all as specified and as directed.

Removal of debris (Aggregates) obatained from demolition including loading and unloading to a distance of 5km from the starting point and deposited where directed etc complete all as specified and as directed.

Cutting out V groove on cracks of walls and cleaning out, wetting, grouting with crack filler (Dr Fixit or equivalent) mixing with cement slurry, making good the surface by using CM 1:3 or PCC 1:2:4 type B-0 as required at site, as per manufactures instuctions, of any description and in any position, with necessary scaffoldings complete all as specified and as directed.

Cutting holes into or through cement concrete slabs, chajjas, etc. reinforced or otherwise cutting exc 100 sq cm and n exc 250 sqcm complete all as specified and as directed.

Taking down cement plaster in wall/ceilling surfaces on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and as directed.

M & L for External rendering 15 mm thick cement plaster in CM 1:4 in two layers 5mm thick with liquid WPC as per manufacturers instruction over 10 mm thick on fair faces of brick work or concrete surfaces in roof parapets at any height with neccesary scafoldings, finished even smooth without using extra cement (WPC will be measured & paid separately under relevant Item) complete all as specified and as directed.

Supply only Liquid water proofing compound complete all as specified and as directed.

M&L for plastering in internal wall surfaces of 10 mm thick in CM 1:6 on fair faces of brick work or concrete surfaces finished even and smooth (without using extra cement) complete all as specified and as directed.

M&L for rendering 10 mm thick in CM 1:3 on concrete surfaces as ceilling finished even and smooth (without using extra cement) complete all as specified and as directed.

Per Point

Each Job

M&L for Rendering 10mm thick in cm 1 : 3 mixed with liquid water proofing compound as per manufacturers instructions on concrete surfaces when PCC on roof surface is still green including finished even and fair etc complete all as specified and as directed. Note: WPC will be measured & paid separately under relevant Item.

S&F Modular Fan Regulator, 2M, 8 Steps incl taking down old unsv one complete all as specified & as directed. Cat No : ACVRFHW008, Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab Note for Item Nos 112 to 117 above : Design/Drawing/Technical catalogue/specifications along with comparative Rate Analysis to be submitted to the Engr-In-Charge for Make/Sample approval of items whereever equivalency of Item(s) is concerned other than specified Make/Model/Cat/Part Ref concerned.

M&L for newly plastered surface of internal walls of any description and applying 3mm thick wall care putty and rubbing with sandpaper to achieve a level and smooth to wall applying two coats of Premium Emulsion over a coat of waterproofing primer complete all as specified and as directed. Make of (Putty + Damp Sheath Interior (primer)+ Premium suprema of Asian or equivalent)

M&L for newly plastered surface of external walls of any description and applying 3mm thick waterproofing wall care putty a

S & F in repairs of Rotational moulded PVC water storage tanks of 500 ltrs capacity (cylindrical vertical with closed top) , two layered, hoisted and fixed in position all as specified in SSR part – I including dismantling of OHT of capacity 500 ltrs complete all as specified and as 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 fitting and accessories) complete all as specified and as directed.

S&F PVC (SWR) pipes 110 mm bore single socketed in any length with rubber ring joints fixed on walls complete all as specified and as directed.

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

S&F stack clamps out of 50 mm by 5 mm flat iron and 16 mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof for 100 mm dia bore of pipe complete all as specified and as directed.

M&Lfor laying PCC (1:2:4) type B-2 using 40 mm graded aggregate in floors/sub base of 75 mm average thick for etc finished fair and even etc complete all as specified and as directed.

M&L for 25mm thick PCC type B-0. 1:2:4 (12.5mm graded aggregate) as sub base of floor etc complete as specified and as directed.

Dismantling floor, heath or wall tiling including cement sand mortar bedding and removing rubbish of the premises complete all as specified and as directed.

M&L for Screed bed or bedding layer of cement mortar (1:4) 15mm thick for laying floor tiles/floor finishes complete all as specified and as directed.

M&L for rendering 10mm thick in cement mortar 1: 3 on brick or concrete surfaces to receive as backing of wall tiling etc complete all as specified and as directed.

M&L Joint free Glazed coloured ceramic tiles of digital quality in vertical surface size of each tile exceeding 0.54 sqm but not exceeding 1.00 Sqm, set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed.

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

M&L for rounding to edges of stone slabs one edge, such as in steps, cooking platform, and other similar situations complete all as specified and as directed.

Demolition of reinforced Concrete of any description and in any position not otherwise specifically provided fo complete all as specified and as directed.

M&L for pre-cast reinforced cement concrete 1:2:4, type B1 (using 20 mm graded stone aggregate), set in cement mortar 1:4 as in kitchen flat form and shelves in kitchen slabs, landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, with plain faces etc complete all as specified and as directed.

Taking up or down 15mm bore of pipe PVC/steel tubing and connections, including for refixing or removal and disconnection of fiittings etc complete all as specified and as directed.

Taking up or down 20mm bore of pipe PVC/steel tubing and connections, including for refixing or removal and disconnection of fittings etc complete all as specified and as directed.

Taking up or down GI/PPR tubing of 25mm bore and connectons etc complete all as specified and as directed.

S&F of 20 mm bore steel tubing medium grade galvanised with all fittings and fixed complete to walls and ceilings or laid in floors etc complete all as specified and as directed.

Cutting chases, pinning in stone or brick walls and making good to facings where required and pointing in cement mortar 1:3 and cutting not exc 10 cm girth etc complete all as specified and as directed.

M&L for newly plastered surface of ceiling of any description and applying 3mm thick wall care putty and rubbing with sandpaper to achieve a level and smooth to wall applying two coats of Premium Emulsion over a coat of waterproofing primer complete all as specified and as directed. Make of (Putty + Damp

Sheath Interior (primer)+ Premium suprema of Asian or equivalent)

S&F in repairs concealed cistern set with full frame including all accessories of Make : Cera (Chevron) Cat. No. B1110111 or equivalent (without Knob) etc complete all as specified and as directed.

S&F in repairs Grating doom of 100 mm dia of Stainless steel hinged or openable type ,fixed with suitable solvent cement complete all as specified and as directed.

S&F in repairs table top Wash Hand Basin of size 750 x 380 x 130 mm of snow white colour of make : Cera (Catmega) Cat. No. S202016

S&F in repairs bottle trap of size 300 mm of make : Cera Cat. No. F8060406 or equivalent complete all as specified and as directed.

S&F in repairs angle cock with wall flange of Make : Cera (winslet) Cat. No. F1099201 or equivalent complete all as specified and as directed.

S&F in repairs Liquid soap dispenser of make : Cera (Hera range) Cat. No. F5007111 or equivalent complete all as specified and as directed.

M&L for corner glass shelf size 225mm x225m of Make : Cera (Oceana range) Cat. No. F5005102 or equivalent complete all as specified and as directed.

S&F in repairs glass shelf of Make : Cera Cat. No. F5001114 or equivalent complete all as specified and as directed.

S&F PVC (SWR) branch piece, 110mm,single (single Y or T) equal or unequal etc complete all as specified and as directed.

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

Taking down Chowkhats or frames with shutters (wihout taking off shutters) from the frame n.exc 1.5 sq. m complete all as specified and as directed.

Providing and fixing Powder coated aluminium (minimum thickness of powder coating 50 micron) work for doors, windows, ventilators and partitions (Fixed portions) with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS:1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing/ paneling, C.P.brass/ stainless steel screws, all complete as per architectural drawings complete all as specified and as directed.

S&F 12mm thick toughened stained glass door with one see through line in center, of approx size 1.20m x 2.10m (single leaf) with approved design/ Air force logo not less than 0.30 Sqm on each leaf, white on white deep acid etching and including fixed with following fiitings complete all as specified and as directed :- (i) Door set L-321 top pivot - 01Nos (ii) Door set lock L-325-01Nos (iii) Door set floor spring FS-120 - 01Nos, (iv) Glass Handle of 300mm size-02Nos (It includes all necessary hardwares required for functioning) complete for each door.

S&F 250 mm long Brass, sliding door bolt with sand or die-cast brass hasp, staple (bolt type) and fixing bolt with rolled or drawn brass bolts and fixed complete all as specified and as directed.

M & L for MS flat for hold fast. Conforming to Fe-290 Gde E-165 complete all as specified and as directed.

S&F 150 mm long floordoor stopper of brass body and tongue with hard drawn steel spring complete all as specified and as directed.

M&L for complete removal of existing treatment of ceiling of any description and applying 3mm thick wall care putty and rubbing with sandpaper to achieve a level and smooth to wall applying two coats of Premium Emulsion over a coat of waterproofing primer complete all as specified and as directed. Make of (Putty + Damp Sheath Interior (primer)+ Premium suprema of Asian or equivalent)

S&F in repairs Urinals with suitable integrated EFS (electronis Flushing system) of make : Cera (CALCIA EFS) of snow white colour size (360 x 330 x 740 mm) Cat. No. S4010101 along with its necessary connected accesories etc all complete and as directed.

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

S/F of 100mm Brass handles, cast type, polished bright fixed with nut , screw and washer of mild steel , bright finished complete all as specified and as directed.

S&F of Butt hinges, cast brass, with mild steel hinge pin, bright polished and fixed, typeB-11 of 75 mm long complete all as specified and as directed.

S&F in repairs 5 mm thick glass mirror of size 800 x 600 mm with double coat for protection and longevity, 5 mm clear glass shelf with stainless steel rail and silver plating on the back for better reflection of complete all as specified and as directed. Make : Cera Cat. No. B3510149 or equivalent.

M&L 18mm thick 100% Solid WPC (Wood polymer Composite) Plain Board of required size comprising of virgin PVC resin, Calcium Carbonate and natural Fibres (Wood Powders/ rice husk/ wheat husk) and Non-toxic additives, made from Extrusion process WPC foam sheet Single Extruded (Inner), Water / Moisture Proof, Fire Retardant complete all as specified and as directed.

S&F Powder coated (Thickness not less than 50micron) Aluminium anodised Grill, aperture n exc 75 mm ,size 6mm x 4mm thick, including 1 mm thick channel fixed with steel screws complete all as specified and as directed.

S&F standard quality magnetic catcher for cupboard shutters complete all as specified and as directed.

One Light/E/Fan etc point controlled by one switch 5/6 Amps.

M&L Cement concrete type B-0 1:2:4 (12.5mm grades aggregate) in haunching concrete etc complete all as specified and as directed.

E/M PORTION : - Taking down old, unsv aluminium/copper point wiring (light, fan, socket or power) complete, incl fixture & fittings such as switches, ceiling roses, pendants, regulators, sockets, light fittings etc. removing materials to store for keeping in safe custody or for taking credit & making good the disturbed surfaces of walls, floors etc complete all as specified and as directed.

M & L for concealed point wiring with two single core 1.5 sqmm PVC insulated, unsheathed, FRLS cable, 1100 volts grade, ISI marked with multi stranded copper conductor drawn through and including non-metallic PVC rigid conduit (medium grade), ISI marked with all fittings and accessories ISI marked incl provision of 1.5 sqmm PVC insulated, multistranded, unsheathed, copper conductor cable, FRLS, ISI marked as earth continuity conductor (green in colour) & incl fixing of modular metal flush boxes, Modular White Cover Plates with frames of appropriate size & thickness fixed flush to wall for mounting switch, sockets etc. with including cutting chases for conduits & sinkings for modular boxes & making good the disturbed surfaces, matching to the existing one etc. complete all as specified and as directed for the following :- Make of cable : Havells/Polycab/Finolex/KEI Make of Conduit : Precision/Finolex/Polycab/Modi

M & L for sub-main wiring alongwith earth wire of size (2 x 2.5) sq. mm + (1 x 2.5) sq. mm earth wire, ISI marked, FRLS, PVC insulated, multi stranded, copper conductor, single core cable drawn through and including non-metallic PVC conduit (medium grade) with all fittings and accessories ISI marked for conduits & sinkings for modular boxes & making good to walls, floors etc complete all as specified and as directed. Make of cable : Havells / Polycab / Finolex. Note : (i) Two runs of PVC wire, One run of Earth wire & one run of PVC rigid conduit (medium grade) will be measured as one length. (ii) Cost of Modular metal flush boxes (if any for junction inspection) is deemed to be included in the unit quoted rates. (iii) Cutting chases & (if any) making good the disturbed surfaces is deemed to be included in the unit quoted rates. (iv) Cost of PVC clamps/saddles of appropriate sizes with fixing screws for fixing on walls &/or PVC cable ties etc. for fixing on steel support members (if any) is deemed to be included in the unit quoted rates. (v) The wiring shall be done with proper colour coding using Red, Yellow & Blue Coloured wires only for Phase, Black for Neutral & Green for Earth Wire.

S & F Modular switch, one way, 6 Amp, 1 Module, 240 volt complete all as specified and as directed. Cat No : ACVSXXW061, Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

S & F Modular shuttered socket outlet 3 Pin, 6 Amp, 2 Module, 240 volts, ISI marked complete all as specified and as directed. Cat No : ACVKSWW063, Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

S&F GI tubes of 25mm dia medium grade with all fittings and fixed complete to walls & ceiling or laid in floors etc complete all as specified and as directed.

Point

S & F Modular switch, one way, 16 Amp, 1 Module, 240 volt with Indicator complete all as specified and as directed. Cat No : ACVSXXW161, Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

S & F Modular shuttered socket outlet 3 Pin, 6/16 Amp, 2 Module, 240 volts, ISI marked complete all as specified and as directed. Cat No : ACVKCWW163, Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing and concealing modular metal flush box suitable for fixing switches/sockets of 1/2 modules complete all as specified and as directed. Make : VERONA (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing and concealing modular metal flush box suitable for fixing switches/sockets of 3 modules complete all as specified and as directed. Make : VERONA (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing and concealing modular metal flush box suitable for fixing switches/sockets of 6 modules complete all as specified and as directed. Make : VERONA (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing and concealing modular metal flush box suitable for fixing switches/sockets of 12 modules complete all as specified and as directed. Make : VERONA (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing modular cover plate suitable for fixing switches/sockets of 1/2 modules complete all as specified and as directed. Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing modular cover plate suitable for fixing switches/sockets of 3 modules complete all as specified and as directed. Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing modular cover plate suitable for fixing switches/sockets of 6 modules complete all as specified and as directed. Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab

Supply & Fixing modular cover plate suitable for fixing switches/sockets of 12 modules complete all as specified and as directed. Model - Verona of make CRABTREE (Havells) or techno-commercially equiv In Legrand/Anchor Roma/Polycab Note for Item Nos 118 to 125 above : The make/model of modular metal flush boxes & modular cover plates shall be same as that of modular switches & sockets.

S&F ceiling rose surface PVC/ Polycarbonate, Isolated body with face Bakelite three terminal complete all as specified and as directed. Make: Havells / Legrand / Anchor

S&F Surface and wall mounted LED batten 10 watts 2 feet long, Warm White, extruded aluminium housing provided for efficient heat dissipation & integrated electronic driver including connecting up with and including twin/three core twisted flexible cable of suitable size in flexible conduit incl taking down old unsv one complete all as specified and as directed. Make : LUKER, Cat No LT510P WW or techno-commercially equiv in Havells/Jaguar/Philips.

S&F Surface and

One switch socket outlet point 5/6 Amps on independent board.

wall mounted LED batten 20 watts 4 feet long, 3-IN-1, extruded aluminium housing provided for efficient heat dissipation & integrated electronic driver including connecting up with and including twin/three core twisted flexible cable of suitable size in flexible conduit incl taking down old unsv one complete all as specified and as directed. Make : LUKER, Cat No LT520P 3-IN-1 or techno-commercially equiv in Havells/Jaguar/Philips.

S & F LED square shape (2' x 2') slim ceiling SURFACE light fitting 40 W or next higher rating, CRI > 80, CT>5700 K (White), integrated type, with high efficiency electronic driver, surge suppressor/protection & high brightness LEDs, with suitable fixing arrangement complete with all accessories internally prewired and including connecting up with and including twin/three core twisted flexible copper conductor cable of suitable size incl taking down old unsv one complete all as specified and as directed. Cat No : LKMSRS40N of make Luker or techno-commercially equiv in Havells/Jaguar/Philips.

S & F LED square shape (4' x 1') slim ceiling RECESS light fitting 45 W or next higher rating, CRI > 80, CT>5700 K (White), integrated type, with high efficiency electronic driver, surge suppressor/protection & high brightness LEDs, with suitable fixing arrangement complete with all accessories internally prewired and including connecting up with and including twin/three core twisted flexible copper conductor cable of suitable size incl taking down old unsv one complete all as specified and as directed. Cat No : LKM4145 of make Luker or techno-commercially equiv in Havells/Jaguar/Philips.

S&F LED Strip Light, WW, 12W/Mtr & 120 LED/Mtr along with Driver with all accessories internally prewired and including connecting up incl taking down old unsv one complete all as specified and as directed. Cat No : LPLS120E12 of make Luker or techno-commercially equiv in Havells/Jaguar/Philips.

S&F Surface and wall mounted LED Picture Light 12 watts, Warm White with integrated electronic driver including connecting up with and including twin/three core twisted flexible cable of suitable size in flexible conduit incl taking down old unsv one complete all as specified and as directed. Make : LUKER, Cat No LMCL 12 WW or techno-commercially equiv in Havells/Jaguar/Philips. Imp Note for Item Nos 127 to 133 : (i) Design/Drawing/Technical catalogue/specifications along with comparative Rate Analysis to be submitted to the Engr-In-Charge/GE for Make/Sample approval of items whereever equivalency of Item(s) is concerned other than specified Make/Model/Cat/Part Ref concerned before placing order to the Manufacturer/Supplier. (ii) Anything missed out in the technical specifications but technically required for efficient working is deemed to be included in the quoted rates.

Supply, install, commissioning & testing of Exhaust fan, metal body with automatic back shutter louvers 300 mm sweep, 1400 RPM or more, Air Delivery not less than 1850 CMH, single phase, 240 Volts, AC, 50 Hz and connecting up complete including louvers and provision of cable 3/2 core of suitable size from ceiling rose to fan in flexible hose and making of suitable sized hole in the wall/existing window/ventillator/other surfaces etc. for fixing of the exhaust fan & making good the disturbed surfaces (if any) incl taking down old unsv one complete all as specified and as directed. Make : Havells, Cat No: Ventil Air - DB or techno-commercially equivalent in Usha/Bajaj/Khaitan. Note :- (i) The cost of making hole in walls/other surfaces & making good the disturbed surfaces incl any framework/cement work/wood work/welding work etc. required for proper fixing of the exhaust fan & matching to the existing surface is deemed to be included in the unit quoted rates. (ii) The cost of transportation of old unsv E/fan to MES storeyard is deemed to be included in unit quoted rates.

S & F TPN DB, 4 Way, IP43, IK09, Metal double door type 415 volts fitted with busbar and blanking plates, neutral link and making good making good the disturbed surfaces with all other accessories including necessary connection & taking down old unsv one complete all as specified and as directed. Make: L&T/LEGRAND/SIEMENS/ABB.

S&F MCB, TPN, C-Series 415 Volts of capacity 16-32 Amps with breaking capacity 10 KA complete all as specified and as directed. Make-L&T/LEGRAND/SIEMENS/ABB.

S&F MCB, SPN, C-Series 240 Volts of capacity 6-32 Amps with breaking capacity 10 KA complete all as specified and as directed. Make-L&T/LEGRAND/SIEMENS/ABB.