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Bid Proposal for the residential lands shown at Chapel Heath
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2
Bid Proposal for the residential lands shown at Chapel Heath
1.
Introduction
a.
Objective
The objective of the report is to prepare a bid proposal for the residential lands at Chapel Heath, Navenby, Lincolnshire. There are important factors to take into account when preparing a bid for the residential land in Chapel Heath, Navenby, Lincolnshire. It is imperative to have comprehensive details regarding the property, such as its dimensions, terrain, and boundaries. A competitive bid is built on an understanding of zoning laws and planning permissions, as well as a market analysis and comparable sales research. The report also discusses the sustainability agenda along with the financial breakdown.
b.
Land details
Navenby is located in the North Kesteven administrative district, about 10 kilometers south of Lincoln.
With a land area of nearly 2,100 acres, the parish of Navenby is rural. It crosses
Ermine Street, a Roman thoroughfare that connects York and London, and was constructed between 45 and 75 AD. The community is also traversed by the Viking Way, a 147-mile trail that
connects Oakham, Rutland, and the Humber Bridge in Lincolnshire. There are numerous place names in the area that finish in -by, such as Navenby, which illustrates the Norse influence that existed in Lincolnshire throughout the ninth and tenth centuries.
2.
Bid Proposal – Option A
The key features of the construction of two plots of residential land at Chapel Heath, Navenby, Lincolnshire (without consideration of modern methods) are as follows,
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a.
General layout
The apartment buildings have a particular design where each property has an open
concept living, dining, and kitchen area, along with a ground floor bedroom with an ensuite bathroom and laundry.
All site boundaries will be respected by the development, with the bottom floor having minimal building setbacks to boundaries as follows:
The boundaries are as follows: o Front side: 9.2 m; o Eastern side: 2.2 m; o Rear: 5.56 m; o Western: 2.24 m (assumed).
Every unit will have a separate entrance for cars and pedestrians. There aren't any official common spaces.
At ground level, the site would occupy approximately 426.38 square meters, of which 206.5 would be covered by impermeable areas. (assumed). b.
Slab & Concrete
Evenly distributing home layups that are not placed on top of concrete wall slabs
To maintain the earth in place, build concrete basement walls that are eight inches thick as needed.
To build a concrete wall in the bedroom located in the basement (Assumed).
c.
Interior & Exterior Design
All 2x2 framed cavities have R5 blown-in cellulose insulation; external framed walls have R21 blown-in cellular soundproofing.
Inner walls devoid of insulation; R38 cellulose insulation is blown into the roof (Assumed).
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The only exception to the fiber cement board lap siding covering all external walls is the floor. Shake shingle accents in fiber cement plank are installed on the roofline ends.
d.
Floor System, Door, and Shelves
I-joists with HVAC chases or conventional framing should be used for the floor system between the main level and the basement.
Knobs and handles are examples of traditional hardware.
Passage locks should be installed elsewhere and security locks in every room.
A standard external door deadbolt with a single key.
There won't be wire shelving on the wardrobe shelves; instead, the wood will be painted or polished to match the decor.
A Statement on Modern Methods of Construction
A statement on Modern Methods of Construction involves the use of prefabrication and modular construction. Timelines for construction are greatly shortened by using contemporary building techniques like prefabrication and modular construction.
MMC encourages accuracy and quality assurance, guaranteeing that every item satisfies strict requirements. This can improve the development's overall robustness and lifespan. A faster building schedule may enable an earlier start to the sale program, resulting in faster returns on investment.
A statement on sustainable construction
To lower total energy usage, install energy-efficient appliances, lighting, and HVAC systems.
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To reduce water usage, install water-efficient appliances and low-flow plumbing fixtures.
Reduce the need for heating and cooling systems by improving a building's thermal efficiency with the use of cutting-edge insulation materials.
Bid Proposal – Option B
The key features of the construction of two plots of residential land at Chapel Heath, Navenby, Lincolnshire (with consideration of modern methods) are as follows, e.
General layout
The apartment buildings have a particular design where each property has an open
concept living, dining, and kitchen area, along with a ground floor bedroom with an ensuite bathroom and laundry.
All site boundaries will be respected by the development, with the bottom floor having minimal building setbacks to boundaries as follows:
The boundaries are as follows: o Front side: 9.2 m; o Eastern side: 2.2 m; o Rear: 5.56 m; o Western: 2.24 m (assumed).
Every unit will have a separate entrance for cars and pedestrians. There aren't any official common spaces.
Installation of energy-efficient appliances, lighting, and HVAC systems.
At ground level, the site would occupy approximately 426.38 square meters, of which 206.5 would be covered by impermeable areas. (assumed). f.
Slab & Concrete
Evenly distributing home layups that are not placed on top of concrete wall slabs
To maintain the earth in place, build concrete basement walls that are eight inches thick as needed.
6
To build a concrete wall in the bedroom located in the basement (Assumed).
g.
Interior & Exterior Design
All 2x2 framed cavities have R5 blown-in cellulose insulation; external framed walls have R21 blown-in cellular soundproofing.
Inner walls devoid of insulation; R38 cellulose insulation is blown into the roof.
The only exception to the fiber cement board lap siding covering all external walls is the floor. Shake shingle accents in fiber cement plank are installed on the roofline ends.
h.
Floor System, Door, and Shelves
I-joists with HVAC chases or conventional framing should be used for the floor system between the main level and the basement.
Installation of water-efficient appliances and low-flow plumbing fixtures.
Knobs and handles are examples of traditional hardware.
Passage locks should be installed elsewhere and security locks in every room.
A standard external door deadbolt with a single key.
There won't be wire shelving on the wardrobe shelves; instead, the wood will be painted or polished to match the decor.
Reduce the need for heating and cooling systems by improving a building's thermal efficiency with the use of cutting-edge insulation materials.
Major Risk Factors
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Major risk factors involve construction cost overruns, demand and acceptance in the market, and interest rate & and financing risks. Construction Cost Overruns
: Justification: Using sustainable design elements and modern methods of construction (MMC) may require new materials and technology, which could result in cost uncertainty.
Demand and Acceptance in the Market:
Reasoning: It is important to see how the market responds to MMC and sustainable design. The marketability of the developed properties may suffer if there is less demand than expected for these qualities.
Interest rate and financing risks:
Reasoning: Variations in interest rates or difficulties obtaining advantageous financing arrangements may affect the project's financial viability.
Conclusion
The level of detail in the financial appraisal is calculated and assumed from the Building Cost Model available in the book “Spon’s Architect and Builder”, which describes the site layout, interior planning, and residential plan. The values are assumed from the Building Prices per square meter present in the book. The table describes the land price appraisal as well as assumptions. The construction costs for interior and external works are calculated separately and
are given in the appendix, by using the elemental method for the estimation of cost (Spon’s, 2014). Appendix 1 – Residential Plot Plan for Heath Chapel
8
Table 1- Housing Plan
Housing Asociation Development
Unit Range Two storey housing
m^2
770
detached m2
m^2
770
semi-detached m2
m^2
730
terraced m2 m^2
640
Three storey housing
m^2
semi-detached m2 m^2
770
terraced m2 m^2
640
Table 2 – Site Planning
Site Area Assumed for Residential Plots = 20,000 m^2
Quantity Unit Cost (Euro)
Total
General items 353,900
Performance Bond and Insurances item 25000
Site mobilization item 8
8,900
Site running costs 32 week
10,000
Ground Investigation 54,900
Trial pits and boreholes item 4,900
Laboratory analyses and sampling item 50,000
Geotechnical and specialist services 304,900
Bioremediation – mobilization item 10,000
Bioremediation – treatment 8000 m3 8,000
Stabilization and solidification – mobilization item 4,900
Stabilization and solidification – treatment 2,000
Demolition 100,000
General site clearance 20000 m² 0.50
20,000
Earthworks 2284200
General excavations 50000 m3 1.5
5,000
Extra over for hand excavation 200 m3 50
200
Breaking out tarmacadam surfaces 300 m3 4.9
300
Breaking out mass concrete 1000 m3 7.4
1,000
Breaking out reinforced concrete 800 m3 12.30
800
On-site material management 51800 m3 3.9
51,800
Trimming and preparation of excavated surfaces 20000 m² 0.5
20,000
Screening of excavated material 50,000
Crushing and screening of hard material
1,800
Disposal of tarmacadam off site including haulage
300
Disposal of non-hazardous material off site
including haulage 6,000
Table 3 – Substructure Planning
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Site Area Assumed for Residential Plots = 20,000 m^2
Quantity Unit Cost
Substructure
225mm reinforced concrete ground slab;
laser levelled; surface hardener; subbase;
perimeter ground beam; lift pits 20000 m^2
45
In situ concrete pad foundations and ground
260 nr
1200
beams Allowance for foundations and retaining
nr
Walls to dock levellers 100 nr 1,800
100 nr
1800
Frame
Steel propped portal frame, cold rolled purlin
20,000 m^2
44
sections, surface treatment, including
decorations 7
Roof
Composite roof panels; powder coated
20000 m^2
30
galvanized steel 70,000 m² 30
7000 m^2
33
Extra over for 10% rooflights
20000
6
Roof drainage generally; syphonic system Eaves/valley gutter; galvanized steel;
insulation; stop ends 3100 m^2
130
Allowance for mansafe system, hatches and
80,000
access ladders 1 item 80,000
External walls, windows and doors Wall cladding system, composite panels and
built-up cladding systems; mineral fibre
insulation; polyester powder coating
5000
5
Table 4 – Interior Planning
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Quantity Unit Cost
Internal partitions and doors 140mm thick blockwork; head restraint; fire
700
55
stopping 700 m² 55
Doors; ironmongery (cost per leaf) 14 nr 550
14
550
Finishes
Allowance for wall finishes generally,
2000
12
emulsion paint and ceramic tile (allowance
based on floor area)
Raised floor to office areas only; 150 cavity;
2000
15
fire barriers
Ceramic tiles to reception and WCs
200
44
Vinyl sheet and skirtings to corridor areas
200
44
Suspended ceiling; mineral fibre tile in
1500
33
exposed lay in grid Extra for moisture-resistant tiles 300 m² 10
Fittings Allowance for open plan office fit-out to
1000
150
category B Allowance for kitchen fittings 1 item 9,000
9000
Allowance for reception fittings and features 1 item 42,500
42500
Allowance for matwells and frames 1 item 5,600
5600
Allowance for WC fittings 1 item 5,200
5200
Services installations
Sanitary fittings generally 75 nr 420
20
420
Hot and cold water services. Disposal
installations item 55,000
55000
Low temperature hot water heating 1000
27
Mechanical ventilation and comfort cooling
1000
11
Allowance for toilet and Lift Motor Room
1
27500
ventilation item 27,500
Gas and Electrical installation item 100,000
1
10000
Lighting and emergency lighting and
References
11
Team, G. C. (2023). Modern Methods of Construction. Retrieved from https://www.goconstruct.org/educational-resources/learn-about-construction/modern-
methods-of-construction
/
Spons (2014). Spon’s Architects and Builders Price Book. Routledge. https://www.routledge.com/Spons-Architects-and-Builders-Price-Book-2021/AECOM/p/book/
9781003053675