The bill of quantities sometimes referred to as boq or bq is a document prepared by the cost consultant often a quantity surveyor that provides project specific measured quantities of the items of work. You can automatically takeoff quantities from bim objects and price them, allowing you to get an instant cost estimate and priced bills of quantities. However for such dredgers the minimum dredging depth is almost 8 m. For this second edition of the highly successful dredging. Managing a dredging contract inland waterways association. We have created a free suction dredging cost estimator so that you can get a better idea how much sediment andor muck is in your pond or lakefront and what it will cost to remove it. Dredging quantities are often calculated by individuals other than the cost estimator. In recent years he has been involved in the development and construction of. Sep 19, 2011 personally i have no need for this kind of software but i suspect there are many of you who do. The quantities are measured in number, length, area, volume, weight or time.
Sep 06, 2017 the cut or fill depth for each cell is found by subtracting the average existing level of the cell from the average proposed level. Therefore we are a great partner to assist during contract preparation or subsequent stages of dredging or marine works. Department of transport, infrastructure and public works directorate of public works bills of quantities supplied as part of. Experts, who have all made their mark in dredging projects around the world. This paper will present an estimate which uses a manual estimating method. Any measurement for execution and payment of the works. The works, materials or activities listed in the following shall always be considered as supportive works to be included in the unit prices bid for any item in the bill of quantities.
Qspro for windows bills of quantities, cost estimating, cost. This certainly looks to be a pretty serious program and you cant argue with the price. Estimation of dredging quantities and reclamation for filling works at chennai port design of 8th cargo berth at tuticorin port stability analysis and design of sea water intake system for desalination plant at naripayur, tamil nadu design of portcraft and shallow water berth at jnpt. Dredging often is focused on maintaining or increasing. Connect infrastructure project bom with cost estimation. A firm bill of quantities is the one where the work is measured and described precisely which enables those pricing it the tenderers to price it with precision. About dredging work driven to get the best results. Prepare the bill of quantities for building projects.
Bill of quantities software free download bill of quantities. A bill of quantities sometimes referred to as a boq or bq is a document, typically prepared by a cost consultant often a quantity surveyor that provides measured quantities of the items of work identified by the drawings and specifications in the tender documentation for a project. Prietoportar2 abstract the assessment of the hazards and assignment of risk of each activity of a project is an important part of preparing a bid for a dredging project. Infrastructure project cost estimation is usually done using dedicated software that is countryspecific, with uptodate prices. A solid team, comprised of dutch dredging, alluvial mining and dry earthmoving specialists. Provided with detailed knowledge of these factors, a reasonable production rate can be predicted for the average dredging site. We are dredging work, a dutch turnkey dredging solution consultancy. Estimating work items costs, idirect costs, markup and contract pricing the cost of labor, material and equipment expended on the items that were measured in the quantity takeoffs is usually referred to as the direct costs of the work. Difficult accessible places in harbors small quantities with strongly. Numerical calculation of channel dredging volume using 3d digital stratum model article pdf available in transactions of tianjin university 182 april 2012 with 1,688 reads how we measure. Bill of quantities work section plot 6 summary bill no. Dredging is the removal of sediments and debris from the bottom of lakes, rivers, harbors, and other water bodies.
It keeps your crew working in the dredge cut and prevents them from wasting time and money by digging too deep or outside the channel. Work package 5 measures dredging and disposal strategies. Bill of quantity for interior decoration including civil. Cubit allows you to complete a residential or commercial takeoff projects and estimate on your desktop, tablet. The majority of tenders for dredging works incorporate a bill of quantities. Assisting the builder in costing projects accurately and.
Owner needs to present the car bill of sale as proof of ownership to obtain insurance. The software is used in conjunction with towers dtm program, which creates the dtm models, the design models, and can calculate volumes and produce updated dtms to monitor progress. Cost estimating system mcaces, cost engineering dredge estimating program. Get fast, accurate takeoffs is now simpler than ever. Cost estimation and production evaluation for hopper dredges. This need may arise during the performance of the works for the engineer or employer to direct the contractor to modify the scope or nature of the work. It is a routine necessity in waterways around the world because sedimentationthe natural process of sand and silt washing downstreamgradually fills channels and harbors. Ed voigt of the public affairs office for the army corps of engineers philadelphia division, took some time friday to explain how it all works see photo gallery above for each stage of the process. By comparison, environmental dredging dredging for the sole purpose of removing contaminated sediment is a relatively new development. With more than 25 years of experience in the dredging industry, our hypack team can provide a complete and integrated dredging solution including our dredgepack software and a variety of positioning, rotation sensors, inclinometers, pressure sensors, and other devices to meet all your needs from your complex environmental dredging project to the simple channel.
A dredging and reclamation works instructions to tenderers tender forms of contract agreement and bond conditions of contract. The auto bill of sale is a legal document needed to sell or buy a car. In either case, the volume is calculated by multiplying the cut of fill depth by the area of the grid cell. Specifications hammond boat basin maintenance dredging. A bill of quantities is a document which lists all the items necessary for the complete construction of works. What is a bill of quantities and its use in construction. Variations in dredging contracts are almost inevitable, even with the best prepared contract. Traditionally, earthwork or dredging quantities for purposes of design estimates and construction payment have been obtained from crosssectional surveys of the project area. The association of south african quantity surveyors agreed to make available its model bills of quantities abbreviated descriptions as the base document for an updated version for use in conjunction with the standard method of measuring building work for africa. This video explains the meaning of the bill of quantity also known as boq and its use and role in the construction project. Because capital works usually involve hard material or highvolume works, the work is usually done using a cutter suction dredge or large trailing suction hopper dredge. Quantities estimated amount of labour and the materials required to carry out the project under the various items of work. The contract comprises of the construction and completion of all works described in the specifications, drawings and bill of quantities and to.
Free estimates and bill of quantities program gizmos freeware. Bw may be willing to work on the survey data and print it out. Measurement of excavation, dredging and filling and. Dredgepack is designed to work with cutter suction, hopper, bucket and. Bill of quantities, free bill of quantities software downloads. Well i guess you could argue that its not really free in that they do ask you to provide a lot of personal data in order to register to the product. Bill of quantities software designing buildings wiki share your construction industry knowledge. This video was showing how to prepare bill of quantity boq of any construction work. Our many users have told us that qspro is the easiest to use bills of quantities and construction cost estimation software offering best. Calculating rates for a bill of quantities is a tedious process. This will be followed by a typical dredging bill and a worked example covering the takingoff of quantities of excavation and filling work. Software for dredging control on cutter suction, hopper, excavators and bucket dredges. Development of the bim based process for dredging works. So when cranes place rock on breakwaters, this can.
In general terms, a cost estimate is based on site conditions, dredging equipment, and contract restrictions. Preparation of bill of quantities preparation of bill of quantities subdivision of bill of 1 the bill of quantities is to be divided as appropriate into separate quantities levels of identification, in. Randall dredging projects are expensive government funded projects that are contracted out and competitively bid upon. These surveys are normally run perpendicular to the general project alignment at a predetermined constant spacing. Other methods of estimating dredged quantities scowbin load measurements, production flow rates, stationface cut dredging, etc. Bill of quantity software free download bill of quantity top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. A large dredging operation of our client, rohde nielsen as for new zealands largest port of tauranga required strict limits on the turbidity during channel works. Civilsofts bill program automates the production of schedules from lists of items and can be used to produce schedules for tender documents, adjudicate tenders and prepare monthly payment certificates. The maximum dredging depth depends on the size of the dredger. Vector is a thoroughly modern bill of quantities program with drag and drop, unlimited undo and redo of every action you take and all the other features you would expect in the best modern windows programs. Oct 26, 2017 john has broad experience with large international infrastructure projects, dredging, reclamation and offshore works. Free bill of quantities software for building industry. When it comes to commercial management in construction industry, bill of quantities.
The creator of the software, acca italian based leader in building industry software has created the software as a gift for all to use and benefit from. Fortunately, with the internet and increased access people in south africa have to it, it presented the opportunity to develop an. On site the 3dmodels can be directly imported in the software for gps guidance. The quantities are defined as estimated because they are subject to admeasurement and are not expected to be totally accurate due to the unknown factors which occur in civil engineering work. Form of contract for dredging and reclamation works agreement general conditions rules for adjudication notes for guidance. The approved timephased plan for a project, a work breakdown structure component, work package, or schedule activity, plus or minus approved project scope, cost, schedule, and. If the resultant depth is positive then this is a fill cell, while a negative value indicates a cut cell. A bill of quantities sometimes referred to as a boq or bq is a document, typically prepared by a cost consultant often a quantity surveyor that provides measured quantities of the items of work. The large grab dredgers are used for bulk dredging.
In addition to the dredge prism, the rd incorporates an allowable overdepth for dredging. Bill of quantities advantages and disadvantages boq. Dredge software to monitor digging, depth, model dredge plan. Contracts and conditions in dredging dredging and marine. This chapter prescribes corpswide standards for performing dredge quantity computations. Bill of quantities software designing buildings wiki. Riicwm504a prepare civil works bill of quantities modification history not applicable. The general expenses of a project comprise all of the additional, indirect costs that are also necessary. Dhi worked with rohde nielsen as to provide a tool which estimated the turbidity level expected in the surroundings for any given dredge scenario with a combination of.
The bill of quantities alias boq refers to a type of document generally created by a quantity surveyor. A handbook for engineers, nick bray and his coauthors have fully updated and expanded the book which covers all aspects of modern dredging including operating methods, outputs, costs, contracts and the impact on the environment. Proposed construction of laboratory block for shimoni mariculture development project phase i. New 3d dredging software for pat m this video shows the new state of the art dredging software used by the backhoe dredger pat m. To begin using the boq software, you start off by creating a price list. Summary of bill of quantities ministry of environment. Bill of quantities a bill of quantities boq is a document used in tendering in the construction industry in which materials, parts, and labour and their costs are itemised. The variation usually results in extra or different or less work. Connect a bill of material created with autodesk software to thirdparty cost estimation software. Pdf numerical calculation of channel dredging volume using. It is expressly agreed that the quantities shown in the bid form. Dredging software our software is designed to carry out realtime data acquisition for dredging and dredge support operations.
The file was imported using open inframodel format. Bucket ladder dredgers with a maximum dredging depth of over the 30 m are built. Although there are many sophisticated software available to assess risk based on monte. Bills of quantities boq the survival of any business is heavily depend on the success of commercial management. Bill of quantity software free download bill of quantity.
Every working day hundreds of surveyors are using vector to create bills of quantities, cost plans and detailed building estimates for their clients of every conceivable kind. Dredge software to monitor digging, depth, model dredge. Dredging monitoring software to accurately model dredge plans. Basic things you should know about bill of quantity boq. Unit descriptor this unit covers the preparation of civil works bills of quantities in civil construction.
Boq helps to contractors get an itemized list of materials, equipment, and labour with their costs required to build new projects, maintain, or repair existing structures. Oct 16, 2019 dredging is the removal of sediments and debris from the bottom of lakes, rivers, harbors, and other water bodies. Cubit allows you to complete a residential or commercial takeoff projects and estimate on your desktop, tablet or mobile device. Estimate too high and you win fewer jobs, too low and your profits disappear. It includes planning for the civil works bills of quantities. Thats why its so important to get it right the first time. Construction contingency a standardized markup applied to the construction cost of a project that accounts for uncertainties in quantities, unit costs, and minor risk events that typically take place during construction.
Blue pelican associates has extensive experience in the different forms of contracts and conditions which can be used for dredging and marine works. Dtm, cogo, tin, string and connectivity manager, etc. These bills consist of lists that specify, often in great detail, descriptions of the various. During construction, payments are made at the stipulated unit prices as the work proceeds, for the quantities completed. Estimating software specifically geared towards dredging is often used for preparation of dredge estimates. Tender drawings please return a complete document of the priced and signed form of tender and a priced bill of quantities, addressed to the permanent secretary, ministry of communications, works and labour to be received no later than 4. In contrast to that, an approximate bill of quantities involves measurement and description of quantities. Bill of quantities boq designing buildings wiki share your construction industry knowledge. Quantities based on these data are determined using volume computation software. Include for temporary works needed to aid lump sum the dredging operation. Bill of quantities for civil works for 8mw power plant item description unit quantity approx rate rs. It is a routine necessity in waterways around the world. General contractor hochtief construction ag is sole contractor execution planning engineering office projmors, gdansk hochtief consult marine works, hamburg technical data approx. Wallingford software makers of software for the water industry, including data management and network modeling software to support planning and operations in water distribution, sewerage.
Bill of quantities bq or boq is prepared by the clients quantity surveyor or cost manager. Project address dct nordhafen 80750 gdansk, poland client dct gdansk s. Dredging is the operation of excavating material from a water environment sometimes temporarily created. Visioncivil visioncivil, the civil engineering software for autocad or microstation environments.
Bill of quantities spreadsheet estimating software. Since he is an independent consultant and doesnt officially work for any organization, he needed free software to start off with before going for proprietary ones. Qspro will save you preparation time and improve your turnaround time in creating professional bills of quantities, building cost estimates and cost plans in addition to saving you external printing costs. It includes estimated quantities concerning the items of work provided in the drawings and specifications of a particular project. A bill of quantities boq is a document used in tendering in the construction industry in which materials, parts, and labour and their costs are itemised. Total tender for dredging at the plymouth jetty bill of. Unfortunately, a pre tender estimate produced by pricing bills of quantities, whilst being fairly accurate, can also be extremely time consuming and tedious. Quantities of materials actually dredged are obtained from pre and postdredge bathymetric survey. Top 5 bim quantity takeoff software 3d model based. The allowable overdepth is a constant thickness of sediment below the required dredge prism to account for dredging equipment accuracy and tolerances. Primusifc is primarily developed to work with 3d bim and 3d cad models. Dredging of harbors and rivers for navigational purposes has been practiced for centuries and studied extensively. A boq price list is basically a list of unit prices that can be used effectively when developing a bill of quantities.
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