Indian Institute of Technology Kharagpur The Problem The Problem esign a hostel complex to accommodate 1000 students at T Kharagpur. It should have / conform to the following : ining block with covered access from all the blocks. rovision for Lifts for each block. ommon Toilet & Bath blocks. ommon rooms / TV viewing area. acilities for Indoor games. ommon facilities such as Park, Swimming Pool, Sports Courts & Ground aximum height limit of the building is 25 m at Kharagpur
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Indian Institute of Technology Kharagpur
The Problem
The ProblemTo design a hostel complex to accommodate 1000 students at IIT Kharagpur. It should have / conform to the following :
Dining block with covered access from all the blocks.
Provision for Lifts for each block.
Common Toilet & Bath blocks.
Common rooms / TV viewing area.
Facilities for Indoor games.
Common facilities such as Park, Swimming Pool, Sports Courts & Grounds
Maximum height limit of the building is 25 m at Kharagpur
Indian Institute of Technology Kharagpur
Contents
Planning Structural design
Water supply system
Sewerage system
Road Network
Cost Estimation
CONTENTS
Planning of the Hostel Complex
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex
Back
Divided into 12 Blocks. 8 double room blocks 4 single room blocks.
Single room blocks. Each consisting of 88 rooms. Dimensions 2.5X3.5
Double room blocks. Each consisting of 48 rooms Dimensions 4x6
Main building.Student activity center.Outdoor sports facilities
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex
Hostel Complex(G+4)
Two Standard size Volleyball CourtsTwo Standard size Basketball Courts Two Standard size Badminton CourtsOne Cricket ground.One Football ground.One Swimming Pool (18x30m) in SAC
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Sports Facilities
Outdoor Sports Facilities
Ground floor: Swimming pool(30×18m).
Ground floor height is 6m.
Rest rooms and bathrooms are provided near reception.
Changing rooms,Lockers,Store rooms are also provided.
Area is provided for Water cleaner and Pumping machines.
First floor : Restaurant
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
STUDENT ACTIVITY CENTRE(25×50m)
Second floor : Indoor games and 2 Music rooms.
Music room dimensions :12×25m
5 Standard size Table tennis tables.
2 Standard size Snooker tables.
1 Standard size Squash court.
A meeting room(12×25m).
One server room
.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
STUDENT ACTIVITY CENTRE(25×50m)
Second floor : Indoor games and 2 Music rooms.(contd…)
2 Carom Boards,
Facilities for other games like Chess, Scrabble, Cards etc.
One server room
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
STUDENT ACTIVITY CENTRE(25×50m)
STUDENT ACTIVITY CENTRE(25×50m)
Third floor: Gym and Yoga room
Gym:22×26m.
Yoga:19×22m.
Yoga place is left open as the best place to do yoga in open air.
Wash rooms are provided.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
STUDENT ACTIVITY CENTRE(25×50m)
Other features of SAC
2 staircases and 2 lifts are provided.
Seating arrangement is provided in every floor for the people who are tired of standing .
Washrooms are provided in every floor as per requirement.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Ground floor: Administrative office
Security room.
Hall office.
Warden office.
Visitors rooms.
First floor : Common room. Meetings can be arranged for large no. of
students.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
MAIN BUILDING
Group activities can be discussed. Seminars and workshops can be
organized. Second floor: TV room or Common
roomTVSeating Capacity: 400
First floor : Common room.
Meetings can be arranged for large no. of students.
Group activities can be discussed.
Seminars and workshops can be organized.
Second floor: TV room or Common room
HD Plasma TV
Seating Capacity:
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
MAIN BUILDING
Third floor: Library
Seating capacity:..
Computerized check-in and check-out system.
Fourth floor: Study room.
Seating capacity:…
Study tables and chairs are provided.
Newspaper and Magazine Tables are provided.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
MAIN BUILDING (Cont…)
Other features of Main building. …..staircases and …. lifts are provided. Washrooms are provided in every floor as per
requirement
Other features of Main building.
1 staircases and 1 lift is provided for every block.
Washrooms are provided in every floor as per requirement
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
MAIN BUILDING (Cont…)
Parking Facilities for Bicycles
Entire G-floor of all Double room blocks is allotted for parking.
Parking Space will be numberedFor instance, A01 will be used for rooms A101, A201, A301, A401 & A501; so on.
Parking Space will be separated by 25 cm high brick walls
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Facilities
Other Facilities – Parking
Lighting is to be provided for the parking space during night time.
Four Cycle sheds are provided for the entire complex with air pump & other repair facilities.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Drinking Water
A Water Coolers (with Aqua guards) is provided on each floor of every block
Fire Safety
Fire Extinguisher provided for every blockEmergency fire exits (steel staircase type) placed
adjacent to some of the room balconiesWater Hose pipes placed on common staircases
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities
Janitorial Facilities A room is provided on every the ground floor of every block
Trash cans are placed at appropriate places like near canteens or beside wash rooms
A large dust bin will be present at G floor from where trash can be collected & dealt with appropriately
Announcement System
Speakers provided on each floor of every block for common announcements
Announcements can be made from main security booth, hall office and Warden’s office.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities
Utilities
A server room is provided in the Students activity corner Lights are provided in every corridor Lifts
A lift is provided for every block 2 lifts are provided for the SAC 2 lifts are provided in the main block
Laundry Room
Pay-n-use Laundry RoomPresent on every floor of Block C
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities
Internet Connection
Both wired and wireless facilities for InternetBattery Powered during mains offFiber optic cables to be used throughout for high
speed
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities
Solar Power system
Automatic controlled solar plates at every terrace Street lighting also includedSecondary electric power system Water treatment Plant2 Nos Primary treatment plantSecondary treatment plant if necessary
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities (Special)
Rain Water Harvesting
Terrace will have no student accessRain water collected and transferred to Underground
water tankWater recycled using treatment plant
Basic Medication
Basic medical facilities and first aid facilities are provided
Medical practitioner 24 hrs.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Other Amenities
Other Amenities (Special)
Two messes are provided.
Seating capacity of each mess:500
LCD TVs for entertainment.
Automatic roti making machines.
External gas station.
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Mess
Mess
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Mess
Lift
Load Car Inside
Person - 26 A – 1,600
Weight – 1,768 kg B – 2,400
Lift Well Enterance
C – 2,400 E – 1,200
D – 3,000
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Mess
Detail of Lift
Structural Design of the Complex
Indian Institute of Technology Kharagpur
Structural Design
Back
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Load Parameters (As per IS 1893)
Dead Load
Slab (150 mm thick) 3.0 kN/m2
Floor Finish 1.0 kN/m2
Brick Load (at floor) 4.0 kN/m2
Brick Load (at terrace) 2.0 kN/m2
Water Proofing 2.0 kN/m2
Terrance Finish 1.0 kN/m2
Live Load
Live load 4.0 kN/m2
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Load Parameters (As per IS 1893)
Earthquake Load
As per Code IS 1893 - 2002
Zone Kharagpur (III) – 0.16
Building RCC
Soil Medium
Wind Load :
Wind Speed 30 - 40 km/hr
Exposure 0.3
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Load Combination That have been tested
Load Case Descrption
1 1.5 (DL + LL)
2 1.2 (DL + LL + WL)
3 1.2 (DL + LL + EQ)
4 0.9 DL + 1.5 EQ
5 0.9 DL + 1.5 WL
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Materials
Concrete
Fck 25 N/mm2
Density 25 kN/m3
Steel
Fy Fe 415
Quality HYSD
Bricks
Size 228 x 107 x 69 mm
Density 20 kN/m3
Columns (500 x 500 mm) Beams (300 x 400 mm)Slab (150 mm thick)StaircaseFoundation
Indian Institute of Technology Kharagpur
Planning of the Hostel Complex – Mess
Design of
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Columns (Staad : Analysis)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Columns (Staad : Concrete Design)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Columns (Hand Calculation)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Column (Hand Calculation)
DESIGN ANALYSIS OF COLUMN NO. 707 Factored load, Puz = 2459.7 KNColumn size 500mm x 500mmUnsupported length, L0 = 3mGrade of steel = 415 N/mm2
Grade of concrete, = 20 N/mm2
Clear cover = 40 mm Calculation of slenderness ratio: As per code IS456:2000, Slenderness ratio should be less than 12
Hence, it is short column.
Calculation of minimum eccentricity: As per code IS456:2000
Therefore, additional moment can be neglected.Calculation of area of steel required for longitudinal reinforcement: As per code IS456:2000;
Therefore, = 1701mm2
0.8% steel = 0.8*500*500/100 =2000mm2
As per code IS456:2000, minimum reinforcement required for column design is 0.8% of concrete area. Hence, we should design the column for minimum reinforcement required. As per code IS456:2000, minimum reinforcement required for column design is 0.8% of concrete area.Therefore, As =2000mm2
Use 16 mm steel bar as main reinforcement.Area of 16mm steel bar = 201 mm2.Therefore, No. of bars = 2000/201 = 9.9 Provide 10-16mm steel bar as longitudinal/main reinforcement steel.
Calculation for tie reinforcement:
As per code IS456:2000;
Diameter of tie bar ≥ diameter of bar used as main reinforcement/4
Therefore, diameter of tie bar ≥ 16/4 = 4mm
Therefore, use 8mm as tie reinforcement.
Spacing for tie reinforcement:
As per code IS456:2000;
Spacing:
(1) Least of lateral dimension of the compression member = 500mm
(2) 16*(smallest diameter of main the longitudinal reinforcement) = 16*(16) = 256mm
(3) 300mm
Whichever is the least has to be provided.
Hence, provide 8mm diameter of tie reinforcement @250mm c/c.
Column Reinforcement Detailing:
Figure 4.2: Column Reinforcement Detailing•
Summary for column 707 Size: 500 mm x 500 mmClear cover: 40 mmReinforcement: Provide 10 – 16 mm φ as longitudinal/main reinforcement.
Provide 8 mm φ @ 250 mm c/c.
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Beam (Staad : Analysis)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Beam (Staad : Concrete Design)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Beam (Hand Calculation)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Beam (Hand Calculation)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Beam (Hand Calculation) Design analysis of Beam No. 909(Following values directly taken from the STAAD Pro)Grade of steel, fy = 415 N/mm2
Grade of concrete, fck = 20 N/mm2
Overall depth, D = 400 mmWidth, b = 300 mmLength, L = 4225 mmClear cover c = 25 mmAnalysis:Use 12 mm reinforcement bar. Hence,Effective depth d= D-clear cover- diameter of steel bar/2d= 400-25-12/2= 369 mm Mu = 0.138fckbd2 for Fe 415 Maximum design moment= 65.93 kN.mdmin= Mu(0.138fckb) = 65.9*1060.138*25*300 = 252.44mm<400 mm (provided) … OK.
CALCULATION FOR MZ = -56.53 kNm AT L = 4.225m(x/d) ratio required for given bending moment:
Area of steel required
shashank ganesh
Hence, provide 5-12mm reinforcement steel in tension side at L = 4.2m where Mz = -47.53 kN.m Note that the tension side is at the top of the beam.CALCULATION FOR MZ = -34.54 kNm AT L = 0m(x/d) ratio required for given bending moment:
Area of steel required
Hence, provide 3-12mm reinforcement steel in tension side at L = 0m where Mz = -34.54 kN.mNote that the tension side is at the top of the beam.
CALCULATION FOR MZ = 65.9kNm AT L = 2.1m(x/d) ratio required for given bending moment:
Area of steel required
Hence, provide 5-12mm reinforcement steel in tension side at L = 2.1m where Mz = 20.38 kN.mNote that the tension side is at the bottom of the beam.
Calculation for Distribution bars:
As per IS456:2000;
Area required for distribution = 0.12b*D/100
Therefore, area to be provided for distribution steel = 0.12*200*400/100 = 96 mm2
Use 8mm (2L) bar as distribution steel.
Spacing provided for distribution steel= 100.5*200/96 = 209.4 mm
Design of Foundation (Staad. Foundation) DESIGN ANALYSIS OF FOOTING
Pu = 1326.7 KNSoil bearing capacity (SBC) = 210 KN/m2
Grade of concrete = 25 N/mm2
Grade of steel = 415 N/mm2
Clear cover = 50 mm Required Plan area: Service load due to DL and LL is 1326Weight of footing is 10% of total service load = 10*1326/100 = 132.6 KNTake weight of footing = 132.6 KN Total service load = 1326+132.6 = 1458.6 KNArea = 1458.6/210 = 6.94mAssume square footing, therefore size of footing = √6.94 = 2.7m
Adopt size of footing as 2700mm x 2700mm Depth for one way shear:Assume minimum shear = 0.35 N/mm2
Size of column is 500mm x 500mm
Provide d = 360mm, D = 2700 mm. Hence size of footing is 2700mm x 2700mm x 360mm
• Check of Depth for two-way shear:
• For M20 grade concrete,
•
• Hence, footing size is OK.• • Depth required for bending:
•
• Hence, footing size is OK.
Calculation of Steel Area:
(x/d) ratio required for given bending moment:
Area of steel required
Footing Summary:
Size: 2700 mm x 2700 mm x 360 mm
Clear cover: 50 mm
Reinforcement: 20 mm φ @ 340mm c/c b/w
•
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Foundation (Staad. Foundation)
Indian Institute of Technology Kharagpur
Structural Design of the Complex
Design of Foundation (Staad. Foundation)
Water Works Design
Indian Institute of Technology Kharagpur
Water Works Design
Back
Indian Institute of Technology Kharagpur
Water Works Design
Design of Storage Tanks (Single room blocks)
Ground Level storage receiving supply from IIT main water pumping station.
Total floors (Occupied) : 4
Number of rooms / floors : 48
Number of occupants per room : 1
Per capita water requirement : 200 L/day (Vide National Building Code, 1983)
Indian Institute of Technology Kharagpur
Water Works Design
Total water requirement of the Block : 19200 L/day
Rate of pumping (assuming 8 pumping hours) : 1760 L/hr
Average hourly demand : 800L/hr
Indian Institute of Technology Kharagpur
Water Works Design
Design of Storage Tanks (Double room blocks)
Ground Level storage receiving supply from IIT main water pumping station.
Total floors (Occupied) : 4
Number of rooms / floors :12
Number of occupants per room : 2
Per capita water requirement : 200 L/day (Vide National Building Code, 1983)
Indian Institute of Technology Kharagpur
Water Works Design
Total water requirement of the Block : 17600 L/day