Tender Specification for Supply, Erection, Testing and ... - IDCO

DESIGN PARAMETERS:
Given below are some design parameters which should be followed in addition to those given in
various sections of technical specifications enclosed.
a) Temperature of chilled water entering the chiller ºC : 12.22
b) Temperature of chilled water leaving the chiller ºC : 6.67
c) Fouling factor of chiller (MKS) : 0.0001
d) Air Inlet temperature to condenser ºC : 43.3
AIRHANDLERS:
a) Maximum Face velocity across cooling coil MPM : 152.0
b) Maximum face velocity across all types of filter MPM : 152.0
c) Maximum water pressure drop across the coil in Mt. : 4.6
d) Maximum water velocity through coil in MPS : 2.5
e) Fan outlet velocity (maxm.) MPS : 12.0
f) Fan Speed (maxm.) of air handing unit RPM : 1000
FAN COIL UNITS:
a) Maximum Face velocity across cooling coil MPM : 152.0
b) Maximum face velocity across prefilters MPM : 152.0
c) Maximum water pressure drop across the coil in Mt. : 4.6
d) Maximum water velocity through coil in MPS : 2.5
e) Fan outlet velocity (maxm.) MPS : 12.0
DUCTING WORK:
a) Method of Duct Design : Equal Friction Method
b) Maximum air velocity in supply duct MPM : 460.0
c) Maximum air velocity in return duct MPM : 305.0
d) Friction loss in duct (maxm.) MM Wg in 100 Mt run. : 8.33
e) Maximum Velocity at supply air grill outlet MPM : 150.00
PIPING WORK:
a) Friction loss (maxm.) Mt / 30 Mt length : 1.60
b) Flow velocity (maxm.) Mt / Sec. : 2.50
INSULATION:
Maximum temperature rise in the supply air duct from
air handlers outlet to farthest outlet in ºC : 1.10