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Specification Text Selection
Tool (STST)
Efficient creation of vendor-neutral function specifications
for tender texts
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www.siemens.com/buildingtechnologies
The Specification Text Selection Tool
(STST) has been developed for the
efficient creation of tender specifications for building automation and
control systems and HVAC plants.
Vendor-neutral function specifications
The STST enables you to efficiently create
a brandneutral function specification for
tenders, regardless of the vendor.
Text modules are based on optimized
control strategies and standards covering
high-performance building automation
and control systems and HVAC plants.
Comprehensive text database
Featuring an extensive text database,
you can prepare a detailed specification
based on the respective HVAC concept
and selection of energy efficiency class.
The database includes descriptions for
the building automation and control
system, switchgear, variable speed drives,
as well as valves and actuators, damper
actuators and sensors.
BACS efficiency classes – EN 15232
High energy performance
BACS and TBM
A
Advanced
BACS and TBM
Standard
BACS
B
Non-energy-efficient
BACS
D
BACS
TBM
C
Building Automation and Control System
Technical Building Management System
Answers for infrastructure.
Assign energy
efficiency class
Create specification texts
Define customer and
project information
Define Room
Automation (if available)
Define primary plant
Name rooms
Define control strategy
Choose name and primary
plant Select control strategy
Define plant/room
assignment
Define control panels
Select system
description
Assign rooms to plants
Name control panels
Assign rooms and plants
to control panels
Select control strategy
The workflow of STST is logical and helps consider all aspects of HVAC plants and building automation and control systems.
Covering every facet of modern
tender text
The tool’s broad scope covers every
facet of a building automation and
control system specification including
text descriptions of:
− System features
− Management, automation level
and room functions
− Primary plants
− Room functions
− Field devices
− Control panels
In addition to specification texts, a plantspecific data point list plus a budget
calculation are automatically generated,
the latter being of special interest to the
planner.
For easy control panel budget estimation
an automatic calculation of the power per
control panel is shown.
To ensure the system is built as specified,
an acceptance checklist can be generated.
Comprehensive program to
support the planner
STST is the cornerstone of the Control
Products and Systems (CPS) planner
program from Siemens. Additional
offerings exist in the following fields:
− Products and systems
− Product selection tool
− Energy efficiency consultative
services, training courses, and tools
− Best practice/references
Highlights
■■
fficient creation of vendorE
neutral function specifications
■■
omprehensive, continually
C
updated text database to
describe high-performance
control strategies for building
automation and control
systems and HVAC plants
■■
reation of plant-specific
C
data point lists
■■
uilding up a library with
B
standard plants
■■
efinition of efficiency class
D
based on EN 15232 to specify
energy-optimized projects
A clear building structure overview is
prepared by assigning plants, rooms
and floors in tabular form.
Siemens Switzerland Ltd
Infrastructure & Cities Sector
Building Technologies Division
International Headquarters
Gubelstrasse 22
6301 Zug
Switzerland
Tel +41 41 724 24 24
The information in this document contains general descriptions of technical options
available, which do not always have to be present in individual cases. The required
features should therefore be specified in each individual case at the time of closing
the contract.
© Siemens Switzerland Ltd, 2013 • BT_0007_EN