AN-NAJAH NATIONAL UNIVERSITY Secondary School Design

AN-NAJAH NATIONAL UNIVERSITY Secondary School Design

An-Najah National University Secondary School Design Aqeed Ghazal Wardan Abdullah Amer Horani Salah Joma Introduction

Architectural Design Structural Design Environmental Design Mechanical Design Electrical Design Cost Estimation Introduction

Total area of 4000 m2. No high buildings surrounding the school . Two main streets. North westerly winds are prevailing wind directions. Architectural Design

Ground Floor Total area of ground floor =1368 m2 First Floor Total area of first floor = 871 m2 Structural Design

Design Codes ACI 318 2011 for reinforced concrete structural design. UBC 97 for earthquake load combinations. ASCE for load combinations. Materials: Material property

Value (MPa) Compressive strength of concrete (f 'c ) Yielding strength of steel (Fy) 28 420

Loads: Load Type Load (Kn/m2) Super imposed 4

live 5

Bearing capacity of the soil: 150 Kn/m2 Z= 0.2 Soil profile: SD Seismic coefficient (Cv): 0.4 Importance factor (I): 1.5.

Seismic coefficient (Ca): 0.28. Structural system coefficient (R): 4.5. Column centre lines Beams Layout Footings layout

Sections and properties Columns: Column type Dimensions (cm) Rectangular column

50*30 Circular column (Dia.) 40 Beams: Beam type

Dimensions (cm) Main beams 50*30 Secondary beams

30*30 Tie beams 50*30 Footings: Footing name

Dimensions (m) Isolated F1 1.9*1.9 F2

2.2*2.2 F3 2.4*2.4 Wall footing W1

2.1*5.2 W2 1.8*5.2 W3 2.4*5

Slab: One way solid slab with 20 cm thickness. SAP model Checks 1- Compatibility check. 2-Equilibrium check Load

Manual (Kn) SAP (Kn) % error < 10 %

Dead 25137.75 25498.8 1.4

0k Live 6880 7292 4.2

ok 3- Internal forces check Structural Manual element calculatio n(Kn.m)

SAP result (Kn.m) % error < 10 % beam

185.4 190.3 2.5 ok

slab 67 70.4 4.8 ok

Structural Manual element calculation (Kn) SAP result (Kn)

% error < 10 % column 349

7 ok 325 Seismic design checks: Base shear (V) for seismic design : Manual calculation for V = 5312 Kn.

From SAP: Period Manual calculation: 0.21 sec. From SAP: C1 Slab Details

Environmental Design Nablus latitude 32.1 longitude 35.16 Internal

Ceiling U= 0.31 External Roof U=0.32 External Floor

U=0.38 Double Glass U = 2.41 Single Glass U=6

External Wall U= 0.34 Ceiling O U T S ID E IN S ID E

External Wall Floor Percent shading = 100% Percent shading = 5%

Winter Summer Percent shading = 10% Winter

Percent shading = 100% Summer Vertical louvers Depth = 0.3m

Horizontal shading tools Depth = 0.25 Ground Floor First Floor

Good light distribution. Light level conforms with specifications. Working hours schedule General settings

Total heating load per meter =12.7 KWh total cooling load per meter =13.5 KWh Total heating and cooling load per meter = 26.2 KWh Low heating and cooling loads Energy conservation The recommended acceptable PMV range for thermal comfort from ASHRAE 55 is between -0.5

and +0.5 for an interior space. Comfort For library Comfort For classroom Hand calculation Lw = 75 db Back ground noise = 35 db

Standards Measured Empty Fully occupied RT60 :

0.6 - 0.8 s .7175 0.601 S/N : 10 - 30 dB

31.1 31.4 Ecotect calculation Ceramic Tiles

wall ( paint) Pageboard over 25mm(1") fiberglass board window(glass) The following results are

obtained from Ecotect software. Both hand calculation and software calculation are acceptable. Mechanical Design

Plumping system Drainage system. Water system. Firefighting system. Gas system. Plumbing Fixtures

Used plumbing fixtures in the project are: Water closets. Kitchen sinks. Lavatories (also called bathroom sinks). Drinking fountains. Drainage system :

The main pipes are U.P.V.C with 4size and P.V.C 2 size for internal connection and 6 U.P.V.C for outdoor pipes. All pipes (2,4 and 6 pipes) have slope equal to 1% to let the waste water flow by gravity. The manholes are connected with the vertical, the last manhole is connected with septic tank in the garden. The pipes size between the manholes is 6 to ensure good flow rate. water system :

The system is designed based on flush tank and public used for all fixture unit The cold and hot water are supplied to the fixture unit from the roof tanks and solar heater by the copper collectors and flow throw galvanized steel pipe and BEX pipe by gravity with different diameters and different lengths. The hot water is supplied to the building by solar heater in the summer and by electrical heater in the winter

Total cold fixture units: 168 fixture unit Total cold water flow rate that supply the building: 3.86 L/s Total hot fixture units: 42 fixture unit Total hot water flow rate that supply the building: 1.01 l/s A pump needs to supply hot water to first floor with head equal 38 kpa and Q equal 3.86 L/S

and its fixed on the return pipes to protect the pump from heat of water. A pump will be used to lift water to roof tanks from water tank when there is shortage in water in . the tanks and when the city water is cutoff The flow rate for the pump is set to be 10 M3 /HOUR with HEAD= 159 KPA The system designed according to the NFPA code and tables, in our project a fire cabinet is used in addition to the landing valves.

A single riser is used to feed the fire cabinets and landing with size equal 4 . Three pumps are used to run the system, the required flow rate for water from the pumps equal to 500 G.P.M according to the NFPA for 1 riser . Size of pipe which supply the fire

cabinet equal 1.5 and 2.5for landing valve The system is designed to supply 250 gpm for fire cabinets and 250 gpm for landing valve. The pump calculation is made for the landing valves in the first floor (the highest and the farthest point in

the building ) because it has higher flow pressure equal at least 100 psi. The pump flow rate (Q): 500 G.P.M. Pump head equal 128 psi or 840 Kpa. Jockey Pump. (P) HEAD jockey = 133 psi The pump flow rate (Q): 50

G.P.M. .Gas is needed to supply laboratorys, kitchens and canteens In general the gas supplier is gas cylinder which is located in suitable place in the school outside the .building . In this type of building (schools), the gas network has very low pressure and negligible friction losses .In this project the gas outlets equals 11 points .The GF has 2 gas cylinders which are used to supply the building 'The size of the pipes equal 0.5 for each gas outlet, and the main supply pipe size equal 3/4 Electrical Design

Lighting distribution Classrooms (1, 2, 3, .,10) Emin / Emax .590 u0 .689

Emax [lx] 570 Emin [lx] 336 Eav [lx] 587

Grid 128x128 Type perpendicula r Designation Calculation

Surface 1 No. 1 Computer lab: Emin / Emax

u0 Emax [lx] Emin [lx] Eav [lx] Grid

Type Designation No. 0.595

0.601 403 240 344 128*12

8 perpendicula r Calculation Surface 1 1

Lighting distribution in GF Lighting distribution in the 1st floor Sockets distribution in GF Sockets distribution in the 1st floor

Main board Cost Estimation

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