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Last edited 16 Nov 2020
Mobilisation to site: a quality perspective
This article documents the critical move from the design phase of a project to its construction on site. It suggests that there is a need for careful planning prior to mobilisation, together with an assurance that the design and manufactured elements of the works have been completed to an extent that the risks to starting construction have been reduced to a minimum.
The article proposes that the plan for mobilisation is prepared and composed against a series of aspects that it lists with some explanation. It also proposes that there is a robust review, possibly in the form of a gating process, that is conducted by a suitably senior member of the management team who is prepared to release the project into the construction phase and thereby permit mobilisation to take place.
 Planning for mobilisation
Planning for mobilisation is at least as important as the move itself. It is vital to be certain about the needs of the client, who knows the site better than anyone, the facilities available and the access and egress arrangements.
The client probably knows more about the site than anyone else. The client also has a vested interest in making sure that the requirements for the works are met in the most appropriate manner. There are also conditions under the various regulations that make the client responsible for certain actions. It is essential, therefore, to meet with the client, on or off site, to be certain exactly what can and cannot take place. The client also is likely to have local knowledge of such matters as who the statutory undertakers are, who are the most suitable local suppliers and what the local traffic conditions are.
- General site conditions, such as surfaces, soil conditions, access and egress, local roads and existing facilities, such as accommodation and parking
- Potential site layouts, including lay-down areas and siting of stores and accommodation
- Any other projects in the area, especially those that may impact on local availability of staff, materials or equipment
Consider also the facilities discussed below and remember that photographs can be very useful, particularly as the memory fades as you walk out of the site!
The site visit should provide information of the availability of water, electricity, gas, telephone (line and GSM) and broadband/internet access. The names of suitable statutory undertakers will be needed, so that they may be contacted for connection and, of course, pricing.
Includes offices for staff working on the site, as well as sleeping accommodation where this is to be provided. Consideration should be given to where staff may park their caravans, as many construction craft will use these on a long project.
Begins on site with separation of waste into the appropriate types. The site plan should indicate where the containers are to be located and provide the initial requirements for the waste management plan.
Arrangements should be investigated at this stage into where the local waste management sites are and who might be a suitable waste carrier. The arrangements should cover the processes of disposal of waste from the site and its conduct to the local recycling plant.
There are great advantages in using local suppliers, not only for materials and staffing, but also for welfare facilities, such as the canteen. Examples have been found of local farms forming a consortium to manage canteens as a small but effective business.
Use of local suppliers for materials makes them accessible and reduces the carbon footprint of the project and is highly recommended, once the relevant quality checks have confirmed their suitability.
Local authorities should be contacted to determine any restrictions, local laws and/or other aspects that may impact on the works. It will also speed things up if a good relationship is established with the people who will be dealing with the F10, consents and other approvals.
The relevant documentation for the site should be taken to the site visit for reference. This should include the relevant parts of the contract, quality and project management plans, any site layout drawings and knowledge of utilities, roads and so forth. It is useful also to prepare a full set of documentation that will be used to record the results of the works, such as inspection and test plans and quality check sheets.
 Lessons learned from previous mobilisations
It is important to learn from the mistakes made in previous mobilisations, as well as to build on the successes that have been recorded. This relies on a robust lessons learned programme that people actually use!
 Documented plan for mobilisation
A formal plan for mobilising to site should be documented to cover all the points above, together with the schedules and any other relevant matters that staff mobilising will need to know. The plan should be written in a way that the knowledge is available to all, i.e., in simple language and with a straightforward structure.
Under the various regulations that control sites, there is a need to make certain that access to the site is restricted only to those with a legitimate reason to be there. This will include staff working on site and legitimate visitors. This means that the site must be properly protected with barriers that will prevent unauthorized access and a suitable entry and exit point with controls.
The site filing system is required to accept records that are to be retained, either for presentation to the Client as evidence of successful completion or to be retained by the constructor. It is advantageous to prepare copies of the inspection and test plans and blank check sheets and other record forms and host them in files on site at the start of the works. This will permit those creating the records to extract the blank forms, complete them on site and return them to their proper places in the site filing system. This will avoid the bow wave of work at the end of the project when everybody is hunting around for the evidence that was lost somewhere down the line – or was left in someone’s van or tablet computer!
This is also an opportunity to set in place a rigorous document control system, so that all persons working on or off site are fully aware of the process that must be followed. All attempts to bypass the document control system should be robustly rejected.
It is not in the remit of this article to discuss site safety. Suffice it to say that safety of all on site is paramount and must be managed properly to reduce risk to the lowest possible. However, any planning must include knowledge of the nearest accident and emergency hospital facilities and planning for first aid and welfare facilities on site to meet the relevant regulations as a minimum.
It is not in the remit of this article to discuss environmental management. However, it is very important to reduce all forms of environmental impact to the lowest possible and to reduce risk of fugitive discharge to an acceptable level.
 Finance, accounting and scheduling
In times of financial constraint, it is common to reduce the numbers of persons on site to a minimum. At times, less experienced staff are employed to reduce cost. It is vital to the success of the project to make certain that there is an adequate number of suitably experienced staff to assure the success of the project.
 Field reporting
Staff working on site should be encouraged to report on progress and completion of works progressively with the works. This means completing inspection and test pans and Quality check sheets as the works are completed and then filing them immediately. Any reporting of progress should also be provided to the project controls function.
The project should give full attention to the possibility of setting in place formal collaborative relationships under ISO 44001 across the entire supply chain. This will assist in reduction in cost and time, especially where there is trust between the various players that allows for acceptance of work without repeated checking up and down the chain. It would be inappropriate for an engineer with no detailed experience of tunnelling to check and approve a design for a tunnel prepared by a firm that specialises in tunnelling.
Contract administrators must make themselves thoroughly familiar with all clauses of the contract, especially those that are ‘hidden’ in appendices. Frequently, the quality requirements are in such an appendix and place strong controls over the conduct of the works.
 Relationships with sub-contractors
In many cases, there is a requirement in the contract with the Client to pass down certain requirements throughout the supply chain. This is particularly true of the quality requirements. Even if there is no such requirement, it may be important to pass some or all the requirements down to provide assurance that the client’s contract requirements will be met.
It is also important to make sure that there are good relationships and good communication paths. Contractor Quality Forums are good ways to promote both. Regular Quality meetings with individual Contractors can provide assurance of satisfactory progress.
Quality control on site will provide an assurance that the contractual requirements have been met. Processes should be set in place to assess conformance of materials and completed work on a regular basis. The following is a list of some of the checks that should be undertaken.
- Completion of inspection and test plans progressively with the work. Confirmation that each step has been completed and that they accurately reflect the status of the work
- Completion of the quality check sheets progressively with the work. Confirmation that the results are within the permitted parameters and that the work correctly reflects the stated results.
- Confirmation that the material certification indicates that the material meets the contractual requirements and that they have not been falsified.
- Confirmation that concrete cube crush results meet the specified requirements.
- Audits of the management of the works at all levels
- Surveillance visits to confirm that the works are being undertaken correctly on site and that the results meet the contracted requirements
--ConSIG CWG 13:29, 05 Jan 2019 (BST)
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