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LO1 Identify pre-design information required for a non-domestic ventilation and air conditioning system.

 

   

Pearson Higher Nationals in

Construction and the Built Environment

UNIT:

10 Principles of Ventilation & Air- conditioning Design & Installation

Higher National Certificate in Construction and the Built Environment (Building Services Engineering)

Assignment Brief:

 System Design and Cooling Load Analysis (1 of 2)

Higher National Certificate in Construction and the Built Environment (Building Services Engineering)

Assignment Brief

Student Name

 

ID Number

 

Unit Number and Title

10 Principles of Ventilation & Air-conditioning Design & Installation

Academic Year

2020 - 2021

Unit Tutors

 

Assignment Title

System Design and Cooling Load Analysis

Issue Date

 

Submission Date

 

Submitted on

(To be completed by Assessor)

 


Submission Format and Guidance

The submission is in the form of an individual written report. This should be written in a concise, professional style. The selection of font face, font size and line spacing are left to your discretion. However, you should keep in mind that clarity and readability are key factors in professional documents.

You are encouraged to make use of drawings, graphics, charts, etc. Any material (images, graphics, drawings, text) that is derived from other sources must be suitably referenced using a standard form of citation. Provide a bibliography, using an academic standard format.

The recommended word limit is 2,000–2,500 words. You will not be penalised for exceeding the total word limit, but being concise and clear are key features of professional documents.

LO1 Identify pre-design information required for a non-domestic ventilation and air conditioning system.


Learner declaration

I certify that the work submitted for this assignment is my own and research sources are fully acknowledged.

Student signature:                                                          Date:

Unit Learning Outcomes Unit 10 Principles of Ventilation & Air-conditioning Design & Installation

LO1 Identify pre-design information required for a non-domestic ventilation and air conditioning system.

LO2 Analyse cooling loads for non-domestic buildings.

Submission Format

You are to submit an A4 word-processed document. The choice of font face, font size and line spacing are left to your discretion. However, as a professional report, clarity and readability are critically important. You are encouraged to use diagrams and graphics to help to explain the topics. Any material (images, drawings, diagrams, text) that is derived from other sources must be referenced using a standard form of citation (Harvard Referencing System).

The recommended word limit is 2,500–3,500 words but you will not be penalised for exceeding the total word limit. Keep in mind that being clear and succinct are key features of professional documents.

DO NOT SUBMIT YOUR WORK AS A PDF – Word documents only. Use of images/illustration:

Support your work where applicable with appropriate image/diagrams. These should be clearly presented with a clear reference to source.

Submission: All work will be submitted as a hard copy by hand and via electronic submission on-line – details can be found on Moodle.

Any analytical work done on paper does not need to be typed, instead scan your work and combine it with the rest of your work into one document.

Assignment Brief and Guidance: Unit 10 Principles of Ventilation & Air-conditioning Design & Installation

You have been hired by a local Air-Conditioning Services firm, as an assistant to the building services engineer. The firm has been appointed to manage the design and installation of a new cooling system for a small commercial building. Your employer has tasked you with identifying and preparing an initial report on the pre-design information needed and cooling loads required for the building.

Your report should include:

  • an overview of the design process for a cooling system
  • a review of the information that will be required for a cooling system design brief
  • calculations to support the design of a system, including heat gain, cooling load and peak temperatures
  • analysis of health and safety legislation related to air-conditioning systems.

*Please access HN Global for additional resources support and reading for this unit. For further guidance and support on report writing please refer to the Study Skills Unit on HN Global. Link to www.highernationals.com

 

 

 Other data:

Client:                  Paddington Investments

Building:               Three-storey block, built in 1964

Location:              Central London

Staff:                  Accommodation for approximately 45 staff on each floor Aspect:                Faces busy road on eastern side

Services:              Electrical services to be supplied by the client Lifts:                    Single 1000kgs, 12 person lift

Security & Safety: Commissioner on duty 24 hours a day

Utilities:                Electrical (400 / 230 volts, 50Hz.), natural gas and BT lines

Temperatures:       Outside design:

Summer        28°Cdb / 19°Cwb Winter            -2°Cdb / -2°Cwb

Inside design: As per your recommendations to meet industry requirements.

 

Floor plans: attached as PDF file format.

Air Infiltration:       In accordance with CIBSE Guides (which you must state)

Construction:          Floor to false ceiling: 2.8mFalse ceiling:             0.9m

External walls:          105mm brick, 50mm air gap, 100mm Aerated block, 13mm Lightweight (Dense) plaster.

Internal walls:            100mm Aerated Lightweight concrete block, 13mm Lightweight plaster each side.

Internal floors

/ceilings:                   50mm screed, 150mm concrete, 13mm dense plaster. Roof (flat concrete):         Waterproof covering, 75mm screed, 150mm cast concrete,

13mm dense plaster.

Solid ground floor:      10mm carpet/underlay, 75mm screed, 150mm cast concrete (in contact with the earth) on clay with R= 0.5(m²K/w).

Windows:                  1.5m high double glazing (BS EN ISO 6946), 16mm spacing.

Occupancy:          1 person /                 10m²

Lighting                    15 w/m²

Equipment                15 w/m² (60 w/m² in ground floor sales/media area)

Note: to be read in accordance with the attached drawings of the premises uploaded on MOODLE serving the ground, first and the second (top) floors of an office block built in the mid-sixties.

Please note that Sample Assessment Materials are for guidance and support only.

They can be customised and amended according to localised needs and requirements.

All assignments must still be moderated as per the internal verification process.

Learning Outcomes and Assessment Criteria

Pass

Merit

Distinction

LO1 Identify pre-design information required for a non- domestic ventilation and air conditioning system.

D1. Analyse health & safety and environmental legislation relevant to the design, installation and operation of a non- domestic ventilation and air conditioning system.

P1 Explain the design process stages and tasks for the design of a non-domestic ventilation and air conditioning system.

P2 Discuss the information included in a design brief for a non-domestic ventilation and air conditioning system.

P3 Produce design data for a ventilation and air conditioning system in a given building.

M1. Evaluate the design considerations and constraints for the design of a non-domestic ventilation and air conditioning system for a given building.

LO2 Analyse cooling load for non-domestic buildings.

P4 Calculate the heat gains for a room within a given building.

P5 Calculate the total cooling load for a given building.

P6 Calculate the peak summertime temperature for rooms in a given building.

M2. Analyse strategies that could be used to reduce the total cooling load calculated for the given building.

M3. Analyse the peak summertime temperatures calculated, making suitable recommendations.

Achievement Summary

Unit 10 Principles of Ventilation & Air-conditioning Design & Installation

 

 

Qualification

BTEC Level 4 HNC in Construction and the Built Environment

(Building Services Engineering)

 

Assessor name

 

 

 

Unit Number and title

10: Principles of Ventilation and Air Conditioning Design & Installation

 

Student name

 

[type name here]

 

Criteria Reference

To achieve the criteria the evidence must show that the student is able to:

Achieved (Tick)

Assessor Initials

LO1

Identify pre-design information required for a non-domestic ventilation and air conditioning system.

 

 

P1

Explain the design process stages and tasks or the design of a non- domestic ventilation and air conditioning system.

 

 

P2

Discuss the information included in a design brief for a non-domestic ventilation and air conditioning system.

 

 

P3

Produce design data for a ventilation and air conditioning system in a given building.

 

 

LO2

Analyse cooling load for non-domestic buildings.

 

 

P4

Calculate the heat gains for a room within a given building.

 

 

P5

Calculate the total cooling load for a given building.

 

 

P6

Calculate the peak summertime temperature for rooms in a given building.

 

 

           

 Unit 10 Principles of Ventilation & Air-conditioning Design & Installation


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