1.0 SCOPE The scope of the present report is to analyse and design of pump foundation for vertical crude pump 205-P-027A/B/C at Paradip, Orissa 1.1 GENERAL DESCRIPTION The foundation has been checked for bearing pressure, buoyancy & soil pressure. 2.0 BASIC INFORMATION 2.1 MATERIAL USED d n PCC M20 a m e Concrete d n o Concrete grade shall be M30 with fck (characteristic strength, 28 days). = n
r u t e r o t t c e j b u s d n a y n a p m o c s i h t f o t s e r e t n i e h t o t l a t n e m i r t e d y a w y n a n i d e s u r o d e i p o c e b t o n t s u m d n a t n e l s i t i h c i h w e s o p r u p e h t r o f y l n o d e s u e b o t s i t I . d e t i m i L G N I R E E N I G N E & N G I S E D T O I f o y t r e p o r p e v i s u l c x e s i t n e m u c o d s i h T
Thickness
75 mm 30 N/mm2 2.5 T/m3
Unit Weight of Concrete γ c Reinforcement Steel: As per IS:1786, Grade Fe 415 with fy = Bar diameters used (mm) : 8, 10, 12, 16
415 N/mm2
2.2 SOIL PARAMETERS Assumed net SBC @Depth 1.5m for 2m x 2m foundation Net bearing pressure (for seismic case)
3.5 T/m2 4.38 T/m2
Gross Bearing Pressure Gross Bearing Pressure for seismic case Unit Weight of Soil γ s
9.11 T/m2 9.98 T/m2 1.8 T/m3
2.3 CODES & STANDARDS PDRP-8310-DI-000-0001 IS456-2000 IS2974-Part 4-1987 IS1893 (Part-1) -2002 SP-16
-
Civil/ Strucutral Design Basis Plane and Reinforced Concrete Design Loads for Buildings and Structures Criteria For Earthquake Resistant Design Of Structures Design Aids for Reinforced Concrete to IS:456
2.4 INPUT DATA Foundation Data Width of pedestal, w Depth of pedestal, Hp Length of raft, L Breadth of raft, B Depth of Raft, Hr Dia of shaft, D Depth of Shaft, Hs Thickness of shaft wall, t Clear Cover of Footing Clear Cover of Wall Clear Cover of Slab
1.650 0.800 2.000 2.000 0.300 0.995 3.616 0.200 50 45 25
Elevations Finished Ground Level, FGL Top Of Grout, TOG Finished Floor Level, FFL
mm mm mm
m m m m m m m m
Refer. 26.4.2.2 IS456-2000, 6.2 SP34-1987 Refer. Design Basis Refer. Design Basis
EL. 99.850 EL. 100.450 EL. 100.300
Equipment Data Weight of Motor, Wm
1800 Kg
Weight of Pump+barrel+sole plate, Wp
4700 Kg
Total Weight of Pump system Frequency of Pump Time period Bar dia used
6.50 T 1493 Rpm 0.040 sec 16
d n a m e d n o n r u t e r o t t c e j b u s d n a y n a p m o c s i h t f o t s e r e t n i e h t o t l a t n e m i r t e d y a w y n a n i d e s u r o d e i p o c e b t o n t s u m d n a t n e l s i t i h c i h w e s o p r u p e h t r o f y l n o d e s u e b o t s i t I . d e t i m i L G N I R E E N I G N E & N G I S E D T O I f o y t r e p o r p e v i s u l c x e s i t n e m u c o d s i h T
1.650m EL.100.450 TOG
m 0 0 8 . 0
1.200m EL.100.300 0.150m EL.99.650 FGL 0.200m
m 6 1 8 . 2
0.995m 0.995m Dia.
1.395m 1.395m Dia.
EL.96.834 0.300m Cross-Sectional Elevation 2.000m
) . q s (
m 0 0 0 . 2
m 0 5 6 . 1
t
PLAN
3.0 DESIGN OF FOUNDATION 3.1 3.1 d n a m e d n o n r u t e r o t t c e j b u s d n a y n a p m o c s i h t f o t s e r e t n i e h t o t l a t n e m i r t e d y a w y n a n i d e s u r o d e i p o c e b t o n t s u m d n a t n e l s i t i h c i h w e s o p r u p e h t r o f y l n o d e s u e b o t s i t I . d e t i m i L G N I R E E N I G N E & N G I S E D T O I f o y t r e p o r p e v i s u l c x e s i t n e m u c o d s i h T
Calc Calcul ulat atio ion n of Vert Vertic ical al Dea Dead d Load Loads s Pedestal 1.94 m2 1.56 m3 3.89 T
Area, Ap Volume, Vp Weight, Wp Shaft Area, As
0.75 m2
Sectional modulus of shaft, Zs Volume, Vs Weight, Ws
0.17 m3 2.11 m3 5.29 T
Raft Area, Ar
4.00 m2
Volume, Vr Weight, Wr
1.20 m3 3.00 T
Soil Weight of soil, Wsoil 3.2 3.2
Calc Calcul ulat atio ion n of Seis Seismi mic c For Force ces s CG of motor
=
CG of pump+barrel+sole plate
=
CG of Pump System w.r.t to bottom of base plate
=
Design Horizontal seismic coeffiient
=
I Sa /g*Z/2 R Horizontal seismic force Bending moment at shaft base Factored Bending moment (Mu) 3.3 3.3
Ah
101 1012.50 2.50 mm mm 246 2460.00 0.00 mm mm -139.00 mm Z I Sa/2 R g
CG considered at mid height of each component
=
0.067
= = =
1.75 As per table 6 of IS 1893-2002 0.12 0 sec. time period considered as per Spec.SP001 Rev. A2, Pg.13 Cl.5.3.1 3.0 (Table 16-O, UBC-1993)
= = =
0.44 T 1.52 T-m 2.28 T-m
Check heck for for Base Base Pres Pressu sure re Static Load on soil
31.20 T
Contact area Seismic Seismic moment moment Max. Pressure on soil
4.00 m2 1.65 1.65 T-m 9.04 T/m2
Min. Pressure on soil 3.4 3.4
12.53 12.53 T
6.56 T/m2 Bearing Pressure is < gross bearing pressure of 9.9838 T/m2, Safe
Check heck for for Buo Buoya yanc ncy y Upl Uplif iftt Total effective downward force Uplift buoyant force on foundation
22.23 T 5.50 T Downward force is < buoyancy uplift force, Safe
3.5 3.5 d n a m e d n o n r u t e r o t t c e j b u s d n a y n a p m o c s i h t f o t s e r e t n i e h t o t l a t n e m i r t e d y a w y n a n i d e s u r o d e i p o c e b t o n t s u m d n a t n e l s i t i h c i h w e s o p r u p e h t r o f y l n o d e s u e b o t s i t I . d e t i m i L G N I R E E N I G N E & N G I S E D T O I f o y t r e p o r p e v i s u l c x e s i t n e m u c o d s i h T
Desig esign n of of the the Circ Circul ular ar Shaf Shaftt Total weight coming on the shaft Factored load (Pu) P
/A +
M
/Z
15.68 T 23.51 T =
230669.26 750840.64
+
Max. 0.44 N/mm2
Desig sign of the the R.C.C .C.C raft raft Length of cantilever Bearing pressure per meter width Soil pressure per meter width Effective Uplift force Sagging moment at the face of the shaft Mu Effective Depth, d Mu/bd2
= = = = = = = =
Percentage reinf. Pt Ast required in per meter run No. of bars
1.43 m 9.04 T/m 5.07 T/m 3.97 T/ T /m 4.08 TT-m 6.12 T-m 242.00 mm 1.10 0.319 %
= =
957 5
N/mm2
Min. 0.18 N/mm2
Without considering the contribution of reinforcement in the axial compression, Permissible axial compression, compression, Pc = 0.4*f ck*Ac = 918.46 T 3.6
22327851.1 ###
Safe
(Ref: Sketch-1)
( Ref: Table - 4,Flexure, SP-16)
mm2
Provide 16 dia. bar spaced at 200mm c/c 2.000m
Critical Length 2.000m 1.3950m
Sketch - 1
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
TABLE 4, FLEXURE, SP-16, Mu/ bd2 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95 3.00 3.05 3.10 3.15 3.20
Pt for Fe415 0.08 0.1 0.11 0.13 0.14 0.16 0.170 0.185 0.200 0.214 0.229 0.244 0.259 0.27 0.29 0.3 0.32 0.33 0.35 0.37 0.38 0.4 0.41 0.43 0.44 0.46 0.48 0.49 0.51 0.52 0.54 0.56 0.57 0.59 0.61 0.62 0.64 0.66 0.67 0.69 0.71 0.72 0.74 0.79 0.78 0.79 0.81 0.83 0.85 0.87 0.89 0.9 0.92 0.94 0.96 0.98 1 1.02 1.04
Rebar :- Dia, Area & Ut. Wt.
D 8 10 12 16 18 20 22 25
Area, 50.27 78.54 113.1 201.06 254.47 314.16 380.13 490.87
Ut. Wt. ### ### ### ### ### ### ### ###
Sheet 5 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 4.05 4.10 4.15 4.20 4.25 4.30 4.35 4.40 4.45
1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 1.33 1.35 1.37 1.39 1.414
Sheet 6 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 7 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 8 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 9 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 10 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 11 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 12 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 13 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 14 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 15 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 16 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 17 of 18 .
PMC: INSTALLATION, OPERATION AND MAINTENANCE OF CRUDE AND FINISHED PRODUCTS TANKAGES FACILITY OWNER AT : PARADIP REFINERY PROJECT, PARADIP ON BUILD-OWN-OPERATE-TR BUILD-OWN-OPERATE-TRANSFER ANSFER (BOOT) BASIS
Sheet 18 of 18 .