Boiler design handbook pdf

1.3.2 The boiler system shall be capable of supplying the maximum demand with the largest boiler not operating, and with the largest pump of each service not operating. 1.4.1 Boiler Header pressure shall be sufficient to serve the pressure requirements of the loads in an economical manner.

1.1.1 This volume of the design manual establishes VA requirements on the quantity, capacity, arrangement, and standby capability of the boilers and auxiliary equipment.
It applies to the design of new boiler, boiler replacement, and modification of existing boiler(s), in all climates.

Boiler Layout.
There are three basic designs:

2.1.1 Central plant heating, high pressure, low pressure boilers, and decentralized boilers work shall only be indicated on "MP"- series drawings (see VA Design and Construction Procedure, Topic 2, Drawings).