Ebook pdf available for download in the asce library. Microtunneling can be used to install larger diameter gravity pipelines. An application example is presented to demonstrate the features of the proposed tool. Typical pipe jacking arrangement environmental benefits carbon emissions reduced by up to 75%. Planning the first consideration is determining the pipeline line and grade. Data recording with direct printing or electronic copy of drive record for. Akkerman launched first slurry microtunneling system in 1995. For example, abraham, et al 2002 developed a decision support system dss entitled. This construction method involves jacking a pipe behind a microtunnel boring machine mtbm. Microtunneling presentation 2014 linkedin slideshare. Download editable project documents method statements, pqp. Statement of work sow examples example 1 project title. Special conditions for microtunneling mt october, 2006 page 1 of 5 1 materials 1. Pdf modeling microtunneling projects using computer.
Construction methodology statement planning inspectorate. Efficient microtunneling methods is 23 necessary to identify risk level problems that often require the integration of supporting 24 equipment and personnel. The administration, testing, and payment policies, procedures, and practices. Microtunneling techniques, while becoming increasingly wider in their range of application and di ameter range, do incorporate many of the complexities of modern large diameter tunnels including the challenges of technically demanding tunneling. We provide professionally developed method statements, itps, checklists, risk assessments and other project related documents our documents are provided in editable formats i. To carry out block laying including placing and preparing the sand bed, block laying to line and level, compaction of the blocks, dry sanding the joints and cutting to fit at edges and joints.
Drainage services department pipe jacking microtunneling. Doc general method statement civil engineering and. An introduction to pipe jacking and microtunelling design 2. This method statement describes the management arrangements and systems of work to be adopted by perfect homes construction limited the company during civil engineering and infrastructure groundwork operations. Standard construction guidelines for microtunneling pdf. The horizontal directional drilling process the tools and techniques used in the horizontal directional drilling hdd process are an outgrowth of the oil well drilling industry. Microtunneling is a remote controlled, continuously supported pipe jacking method. This specification has been developed for use in provincial and municipaloriented contracts.
So many options requiring so little time we provide you with everything you need up front so youre ready for optimum production upon delivery. He has over 34 years of experience in construction and. It is important to differentiate between the principle and technique. Microtunneling, which is a special case of pipejacking, was first developed in europe and japan and was not used in the u. Guidance for the completion of the cpa risk assessment and method statement for a contract lift. Currently thousands of microtunneling systems exist globally. Pilot tube microtunneling originated in japan and europe, and was introduced to the united states in the year 1995 boschert 2007. Pipe jacking association an introduction to pipe jacking and. Microtunnelling enables the trenchless installation of small to medium diameter service pipelines in situations where an opencut solution would be undesirable or impractical.
Construction methodology statement 2 outline description of the project 2. Microtunneling aids in avoiding the need of open trench for pipe laying, which causes extreme disruption to the surrounding. The tunneling shield for pipe jacking can be electrical and mechanical equipment for conducting the excavation work or it can be a manual shield for workers going inside the shield to carry out manual excavation. Microtunneling or microtunnelling is an underground tunnel construction technique used to construct utility tunnels from approximately 500mm to 4,000mm in diameter. Drilling technology made in germany for more than 110 years headquarters in germany and more than 700 employees worldwide. Part of aker solutions with about 22000 employees worldwide. This accessible template includes a remittance area for the customer to fill out and include with their payment. This document summarises the hazards and the required measures to. Installation method statement of hdpe piping method. Drainage improvement works in ki lun tsuen, kwu tung, ma tso lung and sha ling nov 2008 to end 2011 this project involved laying of three numbers of 1,350mm1,650mm diameter drain pipes of total 40m long across the fan kam road at ying pun using pipe jacking method for minimizing the disturbance to the existing dongjiang watermains and the traffic flow of fan kam road. For microtunneling, it is a kind of pipe jacking of small sized nonmanentry pipes which are remotely controlled. When and how to complete a safe work method statement swms for construction activities.
Youll also be able to plan and specify a microtunneling project and understand the performance envelope for microtunneling. During the unloading of the hdpe pipes adequate manpower shall be used to unload the pipes. No microtunneling project is too small to not warrant preparing a geotechnical data report gdr and a geotechnical baseline report gbr to be presented with the bidding documents. Standard construction guidelines for microtunneling covers the planning, design, pipe materials. His primary experience is in the fields of tunneling, underground space and trenchless technologies in. Upon successful completion of the course, youll be able to understand and specify the microtunneling method most suitable for a given set of soils, groundwater, tunnel diameter and depths. Method statement for concrete foundations builders safety. There are 19 specific activities defined as high risk construction work hrcw. Design and construction of microtunneling projects seminar instructor david g.
Slurry microtunneling developed by the japanese in the early 1970s. There are a multitude of reasons for this blurring of means. Sep 17, 20 this example method statement covers the general safe work method for block paving. In addition, new sections on inline microtunneling for when an existing pipe is replaced by new pipe installed by microtunneling, and underwater recovery used in outfall pipes or intake pipes have been added. Microtunneling qualifications for contractor performing microtunneling work. Material received at site shall be inspected and stored according to manufacturer recommendations.
Steering position laser position on target a length driven, day date time torque cutter head and jacking force working under water depth of maximum 3,5 bar. Risk analysis includes identification of hazards and description of. Download this books into available format 2019 update. The components of a horizontal drilling rig used for. Microtunneling can be used for pipes that range from 48. Furnish labor, equipment, and material required to complete work by microtunneling including but not limited to.
Bradshaw construction was contracted to install the 66 steel casing pipe from the on shore pump station shaft to the intake structure at the bottom of the lake. The sections on definitions of terms, reference standards and notations abbreviations. Risk level problems affecting microtunneling projects. This method minimizes disruptions on the surface during the tunnel construction in comparison with traditional open trench method. Many owners and engineers are accustomed to using gdrs and gbrs on large tunneling and underground projects and may feel that level of effort is not justified for a relatively short, smalldiameter utility tunnel. At first stage a pilot hole is bored to define the tunnel alignment, after this the pushercutter head and screw augers are jacked through the pilot hole, reaming it to the final tunnel diameter while soiling the muck out. Nondestructive test ndt visual inspection not accurate radiographic xray or gamma ray destructive test dt this could be done by taking a sample of the welding part and test it in the lab. Pinewoods ro treatment plant and wellfield phase ii. Construction methods are available to cope with both cohesive and.
Standard center drive and face access, peripheral drive mtbms are sized in the 30 114in. Business petroleum, energy and mining natural gas transmission pipe lines installation pipeline construction pipelines tunnel construction methods tunneling. The term pipe jacking is used to describe an installation method as well as a concept that is fundamental to a number of trenchless techniques. The components of a horizontal drilling rig used for pipeline construction are similar to those of an oil well drilling rig with the major exception being. Safe work method statement swms print entire guide. Design and construction of microtunneling projects seminar instructor andy robinson has a b. King countys contractor for the rainier wet weather storage facility used a construction method called microtunneling to dig a tunnel for a new sewer pipe. Your safe work method statement swms template safework. This document advises employers and selfemployed people how to prepare a safe work method statement swms for these activities to ensure workers safety on construction sites. Guidelines for microtunneling for the planning, design, and construction of microtunneling projects.
The pump station shaft was constructed by the jet grout method. A trenchless construction method for installing pipelines with the following features figure 1. Reducing community impacts during construction using. Pipe jacking, generally referred to in the smaller diameters as microtunnelling, is a technique for installing. Pdf modeling microtunneling projects using computer simulation. A document summarising the work required for an activity. Technical note excavation failure during microtunneling in. Billing statement simple send a sales or services billing statement to your clients for transactions which occurred over the past month. Soil excavation takes place infusing the soil with slurry at the face of the bore and cuttings are forced into slurry.
Note location of other utility andor mdot facilities with respect to the proposed alignment. Bradshaw jacked the casing using a slurry microtunneling machine. Snclavalin international, montreal, qc, canada bcivil engineering and applied mechanics, mcgill university, 817 sherbrooke street west, montreal, quebec, canada h3a 2k6 closhan manufacturing, suite 10, 1496 valiasr. Remote controlled the micro tunnel boring machine mtbm is operated form a control panel, normally located on the surface. Download free printable method statement samples in pdf, word and excel formats. Design and construction of microtunneling projects eea. Minimum of 3 previous microtunneling projects of similar size and scope. Calculations shall include clear statement of criteria used. Microtunnelling method statement free download as pdf file. Ita aites seoul april 2006 15 guidelines for tunnelling risk assessment risk policy scope as an example the scope may include the following risks. The length of the drive is usually from 200 feet to feet, but longer installations have been done.
This presentation includes and is based, inter alia, on forwardlooking information and statements that are subject to risks and uncertainties that could cause actual results to differ. Method statement 6 free templates in pdf, word, excel. Method statement 6 free templates in pdf, word, excel download. Excavation failure during microtunneling in fine sands. This paper presents a tool for planning microtunnels projects using. In order to understand what we can provide you download and open one of our construction method statement by clicking this link. Oil and gas pipeline design, maintenance and repair.
With this free construction quote pdf template, contractors and construction suppliers can give clients price estimates as secure pdfs that are easy to download, print, share, and access on any device. Phase 2 is to build a reclaimed water booster pumping station. Microtunneling, also referred to as the pilot tube system of microtunneling, guided auger boring, or guided boring method, is a recent addition to the family of trenchless installation methods. A construction quote helps construction companies break down the expected labor and material costs for proposed projects. Microtunneling system must have, be capable of the following. Resumes of managerial, supervisory and operational key personnel.
The most common types of pipe used with mt are steel pipe. What is the difference between pipe jacking and micro. The planning, construction of microtunneling projects. Standard design and construction guidelines for microtunneling 3615.
Cpa best practice guide for risk assessment and method. Projects microtunneling bradshaw construction corporation. What is the difference between pipe jacking and microtunneling. Sc civil engineering degree from aston university in birmingham, uk and has over 30 years experience in the underground utility installation sector. Pipe jacking can be described as the principle of using hydraulic rams to push preformed sections to line the hole formed by a cutting head or shield. Microtunnelling method statement tunnel pipe fluid conveyance. Feb 08, 2017 king countys contractor for the rainier wet weather storage facility used a construction method called microtunneling to dig a tunnel for a new sewer pipe that is 140 feet long and 60 inches. The appointed person will carry out a site visit and complete the form, including a site plan. Microtunneling is a process that uses a remotely controlled micro tunnel boring machine mtbm combined with pipe jacking technique to directly install product pipelines underground in a single pass. Akkerman equipment systems are available to purchase, leasetopurchase, or rent from our rental fleet. Pipes used in microtunneling can range in diameter from a minimum of 300 mm 12 inches to a maximum of 3454 mm 6 inches.
Microtunnellingpipe jacking construction unitywater. This may sound simple, but locating the position of your pipeline requires an intimate understanding of the ground conditions, and the microtunneling equipment and its capabilities, in order to save costs and avoid problems during construction. When considering the risks associated with deep, large. An introduction to pipe jacking and microtunnelling. Mar 03, 2017 planning the first consideration is determining the pipeline line and grade. Slurry microtunneling introduced in the united states in mid 1980s.
As an example, the crossing of the river rhine at worms, germany. Cover sheet with date, company name, address, telephone and fax numbers, email address, and contact person. Material shall be stored in a covered and dry space. Gas main installation chelsea to battersea ra ms no. Soil excavation takes place infusing the soil with slurry at. This basic example is suitable for building foundations for new houses or where mass fill concrete trench foundations are used.
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