Dredging Services

1. General information

2. Procedure for rendering dredging services

3. Statistics

4. Contacts

 

     1. General information 

 

     The FSUE “Rosmorport” Arkhangelsk Branch renders dredging services to all concerned organizations on the contract base in shipping canals and water areas of the seaports of Arkhangelsk, Naryan-Mar, Onega and Sabetta.

     Dredging works are carried out by the Arkhangelsk Branch by using vessels of the Branch:

     a) the Severnaya Dvina self-transporting bilge dredger with a hold capacity of 2,000 cubic meters. m, equipped with a suction dredger with a dragging soil receiver, a hydraulic washout system and mechanical rippers;

     b) the Beloe more self-transporting bilge dredger with a hold capacity of 2,000 cubic meters. m, equipped with a suction dredger with a dragging soil receiver, a hydraulic washout system and mechanical rippers;

     c) the Yuriy Maslyukov self-transporting bilge dredger with a hold capacity of 2,000 cubic meters. m, equipped with a suction dredger with a dragging soil receiver, a hydraulic washout system and mechanical rippers,

     intended for dredging and refilling works on open and protected navigable objects in the water areas of seaports, with the development of soil of I - IV groups by development difficulty in accordance with the accepted classification of soils, with the possibility of releasing soil into an underwater landfill through bottom doors (hatches) and refilling to shallow water underwater or onshore dump using a floating and onshore slurry pipeline.

 

     FSUE “Rosmorport” Arkhangelsk Branch Dredging Fleet Vessels Key Particulars

 

     The Arkhangelsk branch also has additional dredging equipment:

     a) submersible dredging pump DOP200, designed for small-scale dredging in closed bays, dead-end and restricted areas of port facilities, sand/gravel quarries, unloading and loading of dredging barges.

     Execution of work using a dredging pump can be carried out from board of the vessels of the Arkhangelsk Branch (Kapitan Evdokimov icebreaker or Kapitan Shershnev and Vavchuga pilot vessels) or by hanging it on a crane or excavator. The submersible pump complex can also be transported by the branch's or customer's vehicles to the area of proposed work in the water areas of the seaports of Arkhangelsk, Naryan-Mar, Onega or Sabetta.

 

Suction pipe diameter, mm	200
Pressure pipe diameter, mm	200
Groups of developed soils	I-III
Productivity on soils of I-III groups, m3/hour	800
Maximum/minimum depth of soil extraction, m	1/15
Максимальная длина рефулирования, м	1 500

 

     b) leveling device (plow) installed on the Kapitan Evdokimov icebreaker, designed to level and remove bottom irregularities in the form of individual banks, dunes and ridges, which remain after dredging work with self- transporting bilge dredgers. For automation and monitoring the execution of work on leveling the bottom, the Kapitan Evdokimov icebreaker is equipped with a monitoring system for the work being carried out, which allows to control the position of the vessel and displays the spatial position of the leveling device (mechanical plow) based on the Nonius software and hardware complex.

 

Leveling device length, m	16
Width of leveling device, m	2
Weight of leveling device, t	18
Minimum/maximum depth, m	3/16
Groups of developed soils	I-III

 

     Dredging operations are carried out by the Arkhangelsk Branch based on Certificate of Membership in the Self-Regulatory Organization, “Interregional Group of Organizations of Special Construction”, No 402 dated 03.05.2017 and in accordance with the requirements:

     - RD 31.74.08-94 «“Technical Regulations for Carrying Out Maritime Dredging Operations”;

     - RD 31.74.04-2002 “Technology of surveying works in dredging operations and in depth control for navigation safety of vessels in the seaports and on the approaches toward them”;

     - RD 31.74.09-96 “The norms on maritime dredging operations”;

     - StO 14649425-0005-2019 “Dredging in seaports and on approaches to them”.

     2. Procedure for rendering dredging services

 

     The Arkhangelsk Branch renders dredging services operations to all concerned persons based on concluding a contract on carrying out dredging operations (hereinafter referred to as the Contract).

     In order to sign the Contract a customer sends a written request to the Arkhangelsk Branch by fax +7 (8182) 65-03-43 or a scan by email mail@ark.rosmorport.ru The request will be considered within a month and in the absence of technical restrictions on a possibility to render the stated services and upon giving all required documents for concluding the Contract the Arkhangelsk Branch sends two copies of the Contract to a customer for signing or a motivated refusal to conclude the Contract.

     The Contract concluded by a customer should be returned to the Arkhangelsk Branch within 10 days (within a month for a foreign customer) by mail or by courier at: 34 K. Liebknecht St., Arkhangelsk, Arkhangelsk Region, Russia, 163000.

     Dredging services are rendered by the Arkhangelsk Branch according to the procedure and on the terms of the signed Contract.

     Information on the price of dredging operations carried out by the Arkhangelsk Branch can be found in the Section “Harbor Dues and Tariffs of the Arkhangelsk Branch”.

 

     3. Statistics

 

     Information on the amount of dredging operations carried out by the Arkhangelsk Branch

 

Year	Amount of dredging operations carried out, thousand cubic meters
2014-2019 ⇲
2014	884.0
2015	941.5
2016	1,531.7
2017	1,276.0
2018	1,932.8
2019	3,315.0
2020	4,192.9
2021	2,212.0
2022	2,410.0
2023	2,551.1

 

     4. Contacts

 

     For additional information on the procedure for carrying out dredging operations by the Arkhangelsk Branch you can address the Branch Monday-Friday from 8:00 a.m. to 5:15 p.m. Moscow time, the lunch break from 12:00 to 13:00 a.m. by telephone:

     +7 (8182) 65-46-06,

     or send a request by fax + 7 (8182) 65-46-26 or by email mail@ark.rosmorport.ru