FC and SC PLUMBING DBR COMMENTS
S/No. PCD Reply PCD Reply PCD Reply
Description Amazon Changes wrt requirement. Page Status / Revert Status / Revert Status / Revert
(R1, DBR) (R2, DBR) (R3, DBR)
1 Codes & Standards Kindly also describe relevant standards also. 2 Incorporated Noted -
Describe flow rate, pumps nos, head and electric load of pumps.
Share hydraulic calculation of plumbing pumps.
2 It will be provided during the detail designing stage. Noted -
Design Criteria: Water Supply Incorporate description of followings, water meter, valve chamber, 3
Material specifcation incorporated.
prv, valves etc.
Enlist Material specification using in plumbing system.
Considered green area in DBR is 4460 sqmt. i.e
The population count is as per the calculations based of Noted, But considered green area is too seems less. Kindly check and mention the correct
kindly share water balance diagram.
Version 6.3 reference for one lakh sqft building. less (1,400 sqmt). It will be 15 % of total green area. It will be 15 % of total plot area
3 Visitor missing in water calculation. Incorporated Incorporated
Amazon @ Tauru Warehouse -Water Calculation 4 There is no visitor mentioned in Version 6.3 plot area (29,735 sqmt). (29,735 sqmt). Noted.
Occupancy for FC- 5200 , SC - 1100 for 2 shifts. (Refer the same and
Revised occupancy is incorporated as requested in the Also, need to add one row in table to
update calculation)
comments by Amazon team. describe units like LPCD, LPD etc. Also, incoporate description of garden hydrant in
DBR.
6ltr/sqmtrs is for lawn as per NBC Part 9. For trees and
4 Please Give the Codel reference. Noted -
3Ltrs/sqmtr 4 shrubs it is 3 ltrs/sqm.
It should be 6ltr./Sqm as per NBC part 9.
Incorporated.
Population count is more than the Version 6.3
5 Population estimation is as per the Design guidelines given Occupancy for FC- 5200 , SC - 1100 for 2 shifts. (Refer the same and Noted -
4 requirement. However it is being incorporated as per
by client update calculation)
Amazon's request.
We are considering the water requirement
Water Curtain Storage ? Tank shall be equal compartment ratio as Equal compartments for Fire tank and Domestic tank is of curtain system as hold. The same will
6 Water Storage-850 KL 5 Incorporated in fire DBR Noted.
per NBC clause stated in part 4. provided. finalize after received design calculation,
for Fire Fighting system.
Recheck the capacity as per, At present we are getting storage higher
7 Capacity provided is ok. Can cater the revised population Noted -
Water Storage-140 KLx2 Occupancy for FC- 5200 , SC - 1100 for 2 shifts. (Refer the same and 5 than 1.5 day storage. So, we can go with
as well.
update calculation) higher capacities as mentioned in DBR.
Pl check and update gardening water Considered green area in DBR is 4460 sqmt. i.e
Check storage capacity of Flushing tanks.
8 Capacity provided is ok. Can cater the revised population requirement. The considered green area is Incorporated seems less. Kindly check and mention the correct Incorporated
Water Storage-110 KLx2 If we store water higher than one day, its cause limitation in 5 Noted
as well. too less (1,400 sqmt). It will be 15 % of green area. It will be 15 % of total plot area
parameter.
total plot area (29,735 sqmt). (29,735 sqmt).
WATER DISTRIBUTION-Source of fresh water supply is Kindly also mention sources provision of like Municipal line (If
9 5 No municipal water available. Noted -
from the borewells for domestic use. available).
10 WATER DISTRIBUTION- Bore well water tends to have high Noted -
Bore-well yield report and water report to be shared. 5 It will be provided.
TDS and hardness and may need to be treated before use.
WATER DISTRIBUTION-Flushing water tank shall be Noted, but in case of rain water supply to We understand that the storm water collected in
11 STP recovered water shall be UF treated as per the version Incorporated Incorporated
preferably filled with Bore well water/STP treated Filtration need to be describe in report. 5 the flushing tank, then filtration may be pond is only used for ground water percolation. Noted
6.3 document.
water/RWH water. affected. PL clarify the same in DBR. No, reuse may be done for flushing line.
Share pump description sheet along with Flow rate, head, electric
12 Pumps Required 5 It will be provided during detail designing stage. Noted -
load. Also, share pump calculation.
Design of Distribution System -
It will be provided during detail
13 The fixture units for different sanitary appliances or groups It will be provided during detail designing stage. Toilet Noted -
Provide pump head and flow calculation. 6 designing stage. Toilet details
of appliances are as given in NBC Part-9 Section 1 Table no. details are awaited for FC & SC
are awaited for FC & SC
2 & Table No 3.
Noted, However the same will be cross
14 Sanitary ware & CP Fittings. Specification as per BTS or Client Approval. 11 As per Version 6.3 document. Noted -
check with client.
Drainage pipe slope and
Internal drainage system-All internal drainage pipes will be Drainage pipe slope and velocity calculations will be
15 Slope should be as per NBC-2016, part 9. 11 Noted velocity calculations will be -
laid at a slope of 1: 90 at least. submitted in final GFC.
submitted in final GFC.
Inspection chambers shall be of size 900mx450mm up to a
16 Inspection chambers depth and sizes as per NBC-2016, part 9. Noted Noted -
depth of 1.2m and beyond 1.5m circular manholes to be 11
As per the flow calculation and approved layout.
provided.
The soil & waste lines will be taken up to the STP and Provision of bypass line arrangement through
17 Kindly check provision of municipal line at site. Bypass line provision Municipal drain is not available at site. Please clarify discharge scheme in case eof All pumps and equipments are
overflow from STP will be connected to Municipal Sewer 11 pump shall be provided to dewatering of sewage Incorporated Noted
shall also be made to connect sewer line with sewer tanker. maintenance. provided with standby.
through network of pipe below ground level. in tankers, during maintenance or cleaning.
Describe manhole sizes with their depth. External drainages is not storm water. It is the
18 External Drainage System Mention pipe sizes and their slope. 13 infrastructure of soil/waste line upto the STP. Storm water -
We understand external drainage as storm water. details are incorporated
The trenches will be laid to a slope ranging and from 1: 200
19 to 1:500 as required before being terminated into the Pipe size shall be as per hydraulic calculation. 13 Noted Noted -
municipal SWD.
A Storm water trench with slotted covers shall be provided Noted, There is only one option is to collect
all along the periphery. The trenches will be laid to a slope Check and incorporate municipal line availability. storm water in pond / recharge pits in premise
20 15 Municipal drain is not available at site. Please clarify discharge scheme. Municipal drain is not available at site. Incorporated Noted
ranging and from 1: 200 to 1:500 as required before being Slope & pipe size shall be defined as per runoff. by maintain the retention duration of 1 hour
terminated into the municipal SWD. minimum.
As per MOEF, per 1 acre 1
21 56 Nos are required by MOEF and the detail designing will Noted, But in DBR now its stated as 49 nos. rechage pit required, Amazon -
As per MORF 56 recharge pits Clarify size of recharge pit basis and basis of numbersof RWH pits. 15
be done in designing stage. plot area is 49 Acre so 49 nos.
required
22 The rain fall intensity for Tauru is 90mm/hr. Share IMD data. for review rainfall intensity. 15 It is mentioned in EC document. Noted, Pl share the same. Noted. -
23 Roof water and storm water shall be collected in the pond. Share runoff calculation in excel sheet with clarification of recharge Table shows the co-efficient and the retention time. It is a Noted, But Other buildings will also be 3 separate ponds are proposed -
15
Pond calculations are as follows: pit, pond capacity. multiplication of the same. consider in runoff calculation. for separate warehouses.
Retention time Capacity of recharge tank in 60 min (90
24 kindly share IMD data to clarify considered intensity. 15 Share EC data to check rain fall intensity. Attached Noted.
mm)
Process diagram needs to be elaborate by
25 Incorporate electrical load, process description etc. Process diagram is shown in the DBR. It will be provided during detail Noted.
1.11 STP (Sewage Treatment Plant) 16 mentioning the Anoxic tank, MBBR tanks in
Process Shall be MBBR Type of process is incorporated. designing stage.
scheme.
kindly share the material detail for following pipes also:-
26 1.13 Material specifications for Plumbing 17 Incorporated Incorporated Noted.
1) External sewerage pipe.
2) Irrigation pipe.
kindly share the material detail for following pipes also:-
27 17 Incorporated Incorporated Noted.
1) External sewerage pipe.
2) Irrigation pipe.
kindly share the material detail for following pipes also:-
27 17 Incorporated Incorporated Noted.
1) External sewerage pipe.
2) Irrigation pipe.
kindly share the material detail for following pipes also:-
27 17 Incorporated Incorporated Noted.
1) External sewerage pipe.
2) Irrigation pipe.
28 Sanitary ware & CP Fittings. Incorporated in DBR Noted
Incorporate description of followings, water meter, valve Incorporate in Design Distribution
29
chamber, prv, valves etc. System Noted
Will provide during detailed
30 Also, incorporate description for garden hydrant in DBR.
irrigation design Noted
31 Occupayancy Corrected Noted
Corrected as per client
32 Green Area
requirement Noted
33 Tank Location Above Ground Noted
Noted, kindly check and
Corrected as per revised
34 Water Balance Chart correct total water
population & green area
requirement of the
.Incorporate in DBR
project.
35 External Drainage - Pipe size Calculation Will provide during detailing. Noted
36 STP Schematic-Required PDF Provided Noted
