technical specification

1. MANABADI : NAADU - NEDU
TECHNICAL SPECIFICATIONS

2. 1.
2.
3.
4.
5.
6.
7.
8.
9.
Priority Facilities for Face Lifting of all Govt.
Schools
Toilets with running water
Electrification with fans and Tube lights
Drinking Water Supply
Furniture for Students and Staff
Painting to Entire Campus
Major and Minor repairs
Black Boards (Green glassy Chalk boards)
Additional Class Rooms
Compound walls

3. 1.Toilets with running water







To ensure running water : Borewell/G.P. Tap – Sump
Overhead tank(Designed for 3600 Ltr)
Water closets with flush valve : 1 no. for 40 students
Urinals ( Long body ) : 1 no. for 20 students ( With sensor/ without
sensor )
Wash basin with push cock : 1 no. for 40 students
Special wash room for girl students : Incinerator with 16A Socket
Wash basin, Towel rod & Mirror
Toilet for differently abled persons : European water closet
Special supporting SS bars
width of door 1.20 m
Make of fixtures : Hindware/Parry ware/cera/Neycer/Jaquar

4. 




Septic Tank : RCC/ RR Masonry
Inspection Chambers : 900mm Dia. (3ft / 5ft depth)/450mmx450mm
Sanitary fittings : 75mm / 110mm / 160mm dia PVC pipes 4kg/cm2
Bends/ Door bends/ Elbows/ Single junction/
Double junctions
(Make - Sudharkar/ Finolex/ Supreme)
Water supply fittings : 22.20mm/28.60mm/ 41.30mm dia CPVC pipes
(Make - Ashirvad/ Astrol flow guard)
12.70mm dia bib taps / push cocks (400 grams)
(Make – Jaquar/ Seiko)
New Toilet Block : As per Strength

7. 2. Electrification with Fans and Tube Lights











3 phase connection
Ceiling Fans : 4 fans per Class Room (1200 mm sweep high speed)
(Make – Crompton/ Usha/ GEC/ Havel’s)
Tube Lights : 5 Tube lights per Class Room (1200mm LED 20W)
1 No out side of Each Class Room)
Sockets : 1 No 16A & 1 No 6A per Class Room
Switches : Modular switches
PVC conduit pipes : 1.8mm thick in walls and 2.2mm thick in slabs (Make – Sudharkar)
Copper lead wire
(Multi lead wire) : 4 Sq.mm (7/20), 2.5Sq.mm (3/20), 1Sq.mm (1/18)
Distribution Boards : 4 way TPN, 8 way SPN (Make – Legrand)
Independent Earthing
Street Lights : LED (40W/ 60W)
1 No Near Toilet, 1 No near gate, 2nos/ 3Nos near Main
Building
Make – Crompton/ Philips/ Havel’s/ Poly cab/ Legrand / Gold Medal

8. 3. Drinking Water Supply



Water Purifier : With Advanced RO, UV and MF for Primary Schools
(10 lts/ 15 lts)
RO Plant : High Schools - 250 lts per Hour
(New / Repairs to existing RO)
Pipe lines : CPVC Pipe line
(Make – Ashirvad/ Astrol flow guard)
22.20 mm / 28.60 mm / 34.0 mm/ 41.30 mm with Tees, Elbows,
Bends, Reduces, Couplings, union Flanges, Unions)
12.70 mm Dia Bib Taps/ Push cocks (400 grams)
(Make - Jaquar/ Seiko)
25 mm / 40 mm Ball Valves (Make - Zollotto/ Jindal)
PVC water storage Tanks with Double layer with lid
(Make - Sintex/Supreme/Plasto /Sheetal/Poly cone/store well)
PVC pipes for waste water disposal-75 mm /110 mm /160 mm of
4kg/cm2 (Make - Supreme/ Finolex/ Sudhakar)

10. 4. Furniture for Students and Staff







Dual Desks : Two students per desk (1200 mm x 850 mm x750 mm)
Overall size
Staff Table : 4 no.s per high school size (1200mm X590mmX 750mm)
with 3 chamber unit
Staff Chair / Class room chair : “S” type chairs with arms and seat & back nylon cane
netted and frame made of CR tubes with epoxy powder coating.
Class room table : As per actual requirement
(size 900mm X 590mmX740mm)
Visitor Chairs : PVC Chairs 20 per high school and 15 per PS/UPS.
Principal / HM office table ( if not available)
Principal / HM chair ( if not available)

11. 




Almirahs ( if not available) : 2nos per school for primary/UPS and 6 no’s per High school
(Size 1980mmX900mmX450mm)
Reading tables : To Library Rooms for High schools, 4 no’s per school
(size 800mmX900mmX740mm)
Glass Door almirahs : To Library Rooms, 4 no’s per high school
(Size 1830mmX916mmX486mm).
Racks (Slotted steel racks) : For Records and Registers
6 Nos per High School and 2nos per Primary Schools
(if not available) – (size - 1800mmX900mmX450mm)
Stools : Stainless Steel
6 no’s per High school and 3 no’s per Primary/UPS
(Size -356mm dia X 530mm height)

12. 





Dust Bins : Large (60litrs) – (Size - 480mm X 323mm X 795mm)
4nos per high schools and 2 no’s per PS/UPS.
Small size (15 liters) for Principal Room and
Staff Room - 2 no’s.
Notice Board : Size 2300mm X 1150mm
Podium : High schools (1 No) – (Size - 700mmX600mmX1200mm)
Computer Table for students : (as per actuals) – Maximum 20nos per high school –
size (1800mmX450mmX750mm) Table top should be 25mm thick pre
laminated particle board and the frame should have provision of key
board tray & CPU stand .
Computer chairs : Maximum 20 No’s per high school
(Size 430mm x 450mm x 800mm)
Laboratory Tables : Only for high schools
2 No’s for Physics lab and 2 no’s for chemistry lab
(Size 2100mm X 685mm X 890mm).
( * The makes will be given later through a separate circular )

15. For Door & windows:-
A) In case of wooden Door & Windows:-
1. Scrapping with sand paper
2. Applying primary coat
3. Applying wood putty on rough surface and again applying sand paper to get uniform &
smooth finish.
4. Applying two coats of Enamel paint of good quality
(Make - Asian/ Nippon/ Nerolac/Berger)
B) In case of MS Door & Windows:-
1. Applying sand paper and scrapping of loose pockets
2. Applying metal paste for gaps in welding joints and at junctions of MS frame and sheet
3. Applying two coats of Enamel paints of good quality to get uniform finish
(Make - Asian/ Nippon/ Nerolac/ Berger)

16. 5. Painting to Entire Campus



Good quality of painting shall be selected for durability.
Emulsion paint for interior and exterior walls
(Make - Asian/Nippon/ Nerolac/ Berger).
For Walls:-
1. Scrapping of old wall surface with scrapping machine.
2. Applying crack filling to the cracks on walls.
(Filling material shall be from the make of Fosroc/ Berger)
3. Applying of primary coat on wall surface.
4. Applying of Birla wall care patty to walls wherever necessary for good
ambience and smooth finish for walls (interior walls)
5. Applying of Emulsion paint two coats for interior walls & Emulsion for
Exterior walls two coats.

17. 6. Major and Minor Repairs
A) Existing Toilet Block:
1. Replacement of Slab
2. Replacement of Flooring
3. Replacement of Water Closets
4. Replacement of Urinal Basins
5. Hand wash basins
6. Replacement of water tanks
7. Replacement of Pipes
8. Reconstructions of Septic Tanks
9. Replacement of Inspection Chambers
10. Replacement of Taps
11. Repairs to Door & Windows
12. Replacement of Door & Windows
13. Special wash Room for Girl Students
14. Toilet for Differently abled persons

18. 








B) Class Rooms Block :
1. Replacement of Slab :
M 20 Nominal mix concrete
Providing 1:80 slope
Cement 43/ 53 grade OPC
(Make-KCP/Ultratech/Bharathi/Ramco/Coromandel/ACC)
Steel – Fe 500 (Make-Vizag/SAIL/Tata/Simhadri - TMT)
Impervious coat with CM (1:3) 20mm thick using leak proof admixture
2. Patch Plastering :
12mm /20mm thick (1st coat in CM (1:6) & 2nd coat in CM (1:4))
For exterior walls in 2nd coat leak proof admixture shall be adopted
3. Removal of Damaged Flooring/ Replacement of Flooring :
Locally available materials viz. Granite/ Shahabad/ Bethamcherla/ Polished
Kadapa slabs/ Vizag & Srikakulam blue stones shall be adopted
Vitrified Flooring (Make – Johnson & Johnson/Kazaria)
(size of tiles 600mm x 600mm Double charge)

19. 


5.

6.



4. Plinth protection :
1.0 Mtr. Width with Kerb wall at the end.
PCC (1:5:10) 100mm thick and PCC (1:1½:2) 20mm thick using 6mm to 12mm
chips and thread lines shall be marked on top surface
Kerb wall with CC Brick masonry 230mm thick to a depth of 0.40 mts over PCC
bed (1:5:10) 100mm thick
Ceiling Plastering :
CM (1:3) 12mm thick in two coats using bonding admixture
Arresting of Leakage in Roof Slab :
Thin concrete 40mm to 50mm thick with R.C.C (1:1½:3) using 6mm to 12mm
chips with nominal reinforcement (4mm thick weld mesh (1”x 2”)), considering
stability of existing roof slab.
Slope of 1:80 shall be maintained to drain off rain water.
Top finishing shall be done on the same day i.e., when concrete is green and
thread lines shall be formed at 450mm intervals.

20. 







7. Providing new Rain Water Pipes :
Rain water down pipes shall be fixed on terrace floor using 110mm (4”) diameter
PVC pipe with Bend at top and shoe at bottom (make finolex/supreme/sudhakar).
The PVC pipe shall be fixed on wooden cleats which are fastened to the wall at
1.00mm interval.
Ensure proper finishing of pipe joint at slab level
8. Construction of Ramp :
Ramp with a slope of not more than 1 in 10 may be constructed preferably 1 in 15
to 1 in 20 subject to availability of site/ as per site condition
Ramps shall be surfaced with approved non slipping materials.
Hand rails shall be provided on both sides of ramp.
9. Construction of Steps :
Damaged steps shall be re constructed with Masonry/stone masonry/C.C Brick
masonry) with tread of 350mm and rise of 150mm.
Polished Kadapa slabs/Tandur slabs/Machine cut Granite slabs may be laid over
steps and for rise portions.

22. 




10. Construction of Pathways (Foot Paths) :
Pathway’s from main gate to class rooms block and from class rooms to toilet blocks
shall be provided to avoid sticking of mud to foot of the students during rainy season.
The width of Pathway’s (Foot Path’s) shall be 1.80 mtrs with kerb wall on either side.
The pathways shall be laid with Interlocking tiles of 80 mm thick laid sand bed.
11. Repairs to Door & windows (Replacement / Repairs):
Wherever replacement of Doors & windows are essential as per site condition new
doors & windows may be proposed with wood or mild steel. In case of wood frame size
shall be 100mmX75mm (finished size )for Doors & windows with flush shutters of
35mm thick (Ravella ISI/ Green ply/Duro) and in case of MS Doors and windows good
quality mild steel shall be used (Tata/Jindal) with CR Sheet of 18 gauge and horizontal
square bars shall be with 12mm at 100mm c/c.
Anodized Aluminum fixtures (Make – Jyothi) shall be provided for wooden doors &
windows.

23. 7. Black Boards (Green glassy Chalk boards) :


Requirement depending on class rooms
e-3 ceramic magnetic green chalk board of size 10ftX4ft with vitreous enamel
coated sheet made of 0.3mm to 0.40mm thick steel sheet having 0.095mm
tick on top and back supported with 9mm thick MDF Board having density of
750kg/m3 AND laminated with 0.25mm thick electro galvanized steel sheet at
back fixed in deluxe quality Aluminum channels of ISI Standards.
8. Additional Class Rooms :






The life of the buildings shall long last for minimum 100 years
Imaginability of Schools
Holistic approach
Modules of orientation
Influence on colours
Good Ambiance

28. 9. Compound Wall :

•
•

•
•

•
•
•
•
•
In hard soils:
Load bearing structure on open foundations.
Super structure with 230mm thick wall, 1.35 mts height with
barbed wire fencing, 2ft height fixed with “L” angles
In Loose soils / BC soils :
Columns structure with isolated footings and 230mm thick brick wall 1.35
mts height with barded wire fencing, 2ft height fixed with “L” angles
Pile foundations with single under reamed piles in BC soils having poor
bearing capacity.
Gate Pillars :
Stone masonry (600mm x 600mm) with concrete coping at top
Columns of size (300mm x 450mm / 450mm x 450mm) with RCC (1:1½:3)
Provision for lights in gate pillars
SS grill gate bigger size 14ft wide
SS grill gate 3ft to 4ft wide

29. 
•
•
Cattle trap:
To avoid entry of cattle/sheep, trap shall be provided at entrance main gate
as per approved deigns.
For entry of children small gate having width of 3ft to 4ft shall be provided
adjacent to big gate.
THANK YOU